MKTG R - Exam 2
Suppose that the relationship between sales (Y, in $000) and number of salespeople (X) is represented by the following regression equation: Y = 105.2 + 35.8X. What will be the average contribution to sales of one additional salesperson?
$35,800
Suppose that the relationship between sales (Y, in$000) and number of salespeople (X) is represented by the following regression equation: Y = 105.2+ 35.8X. What will average sales be equal to when 10 salespeople are used?
$463,200
Which of the following is needed before a confidence interval can be established for a population mean?
- A confidence level - A point estimate of the population mean - An estimate of the sampling error associated with the sample mean All of these are correct.
Which of the following are valid population elements?
- People - Businesses - Financial transactions All of these could be used as population elements.
When determining the method of administration, it's important to remember that choice of method will influence
- the number and type of questions. - question sequencing. - the wording of questions. - response categories. All of these are correct.
The value of the product-moment coefficient of correlation ranges from
-1.0 to 1.0.
Cramer's V is scaled to range between
0.0 and 1.0.
In the following data set, what is the median? 12, 0, 0, 1, 1, 1, 6, 10, 11.
1
The population mean is hypothesized to be 200. The sample mean (x-bar) is 220. The sample size (n) is 25. The sample standard deviation (s) is 15. The degrees of freedom would equal
24.
Which of the following would NOT be an example of a situation involving univariate analysis?
A car dealership is particularly interested in whether or not people who own vans are more or less likely to finance auto purchases compared with people who don't own vans.
Which of the following is TRUE about hypothesis testing?
A hypothesis may be rejected but can never be accepted completely.
Which of the following statements about nominal data is TRUE?
A nominal scale is associated with the concept of identification and categorization.
During the editing process, the analyst must
All of these are correct - ensure units used for open-ended question are consistent, decide how to deal with cases that have incomplete answers, determine what to do about cases with obviously wrong answers.
Low response rates may indicate
All of these are correct. Lack of interest among respondents, failure to gain the intended respondent's attention, poor questionnaire design.
If the null hypothesis of no differences across groups is true,
All of these are correct. Total variation should be equal to between-group variation, between-group variation should be equal to within-group variation, within-group variation should be equal to total variation.
They key consideration to preparing a successful oral report include
All of these are correct: advance knowledge of the audience, determining how the report will be organized, and developed effective visual aids.
Accuracy in a report refers to
All of these are correct: mathematical accuracy, grammatical accuracy, correct terminology, and mathematical and grammatical accuracy.
The research's recommendations
All of these are correct: should follow the conclusions in the report, are straightforward for strategy-oriented research, are less straightforward for discovery-oriented research.
When preparing for an oral research report, it is important to know which of the following things about the audience?
All of these are correct: their technical level of sophistication, their involvement in the project, and their interest level in the research problem.
The following items should be included in the sampling section of the body of the report EXCEPT
All of these should be included in the sampling section: the definition of the population, what was done, how the sample was chosen, why the procedure chosen was used.
In which of the following situations would it be useful to test for differences between two groups?
All of these situations would benefit from tests for differences between two groups: A retailer wishes to know if customer satisfaction is different between in-store vs. online shoppers, a beverage company wants to know if a new beverage concept differs between users vs. nonusers of the current brand, a department store wishes to know the differences between online catalogs vs. mail order catalog shoppers, a state university wants to know is there is a significant difference in GPA between undergraduate and graduate students.
A written report may be considered incomplete because it
All of these sources of report incompleteness: is too brief, includes interesting but not vital information, is too long, and includes statistical calculations unfamiliar to the reader.
Which of the following statements is TRUE?
All of these statements are true: A research project is a failure if you can't communicate the results effectively. The written report has a huge impact on whether the information generated by the research is actually used. Reports are all that most executives will see of the project. A solid written report sends an important signal about the likely quality of the overall project.
If a respondent indicates that he drives a foreign car, the later, in the same questionnaire, identifies it as a Ford, the editor should
Any of these may be correct - change the "Ford" identification to "unknown foreign", change the "foreign" identification to "domestic", throw out both responses, determine which of the responses is correct
Which of the following statements is TRUE?
Because the research report is all that most executives will see of a project, it is the basis for their evaluation of the research project.
Which statistical technique should you use to answer the question: "Is there a significant relation-ship between education level (a four category ordinal variable) and whether or not consumers are aware that Firestone is a brand of tires?"
Chi-square test
Which of the following is typically NOT included in the body of a research report?
Conclusions
Which of the following is a technique that measures the degree of association between two continuous variables?
Correlation analysis
A popular approach to measuring the strength of the relationship between two categorical variables is
Cramer's V.
Which of the following is an important tool for studying the relationships between two or more categorical variables and emphasizes the division of the sample into subgroups so as to learn how the dependent variable varies from subgroup to subgroup?
Cross tabulation
Which of the following questions do you think would be the easiest to code?
Have you ever used product X? __________ Yes _________ No
A brand product manager needs to know if men and women hold different attitudes about her product. What test should the brand product manager use?
Independent samples t-test for means
Which of the following is NOT one of the steps that must happen before data can be analyzed?
Interpreting the data
You have been assigned the task of evaluating consumer acceptance of and favorability toward a new product that a company has just test marketed in your area. In other to determine the degree to which consumers hold favorable attitudes toward the product, what is the lowest level of scale that you can use?
Interval
The magnitude of the differences in objects is shown when which types of scales are used?
Interval or ratio
Which types of measurement are used to group respondents or objects into groups or categories and are thus referred to as categorical measures?
Nominal and ordinal
For which of the following types of measures does the mean NOT provide a meaningful value?
Ordinal
Which of the following is NOT an aid in the crafting of a research report that meets the writing criterion of clairy?
Re-stating an important point in different words
Which of the following is a technique that measures the association between a dependent variable and one or more independent variables?
Regression analysis
A researcher calculates a chi-square test statistic of 8.56. At a = .05 and n = 3, the critical value of the chi-square statistic is 7.81. What is the appropriate statistical conclusion?
Reject the null hypothesis
Which section usually makes up the bulk of the report?
Results
An analyst wishes to combine the information illustrated by six annual pie charts of market share for four categories of automobile manufacturers. Which of the following is the most appropriate chart for this purpose?
Stacked line chart
Which of the following statements concerning the sample standard deviation is FALSE?
Standard deviation is meaningful and appropriate only for interval- and nominal-level measures.
A researcher is seeking representative sample (of size n=50) of Fortune magazine's list of the 500 largest industrial corporations. She randomly decides to being at company number 4 and then select every 10th company until 50 have been selected. The researcher is using what type of sampling plan?
Systematic sampling
What is wrong with this question? "What is your annual income?" (please check): ___ $10,000-$25,000/___ $25,000-$40,000/___$40,000-$55,000/___$55,000-$70,000
The categories are not mutually exclusive.
Which of the following statement is(are) TRUE regarding coding?
The classes should always be mutually exclusive and exhaustive.
Which of the following statements is INCORRECT with respect to a nominally classified variable?
The median is a permissible measure of central tendency.
Which of the following statements about nominal scales is TRUE?
The numbers identify the objects.
Which statement does not accurately describe a good pie chart?
The sections should be arrayed clockwise increasing oder of magnitude.
Which of the following is TRUE about the technical aspects of a research report?
The technical sophistication of the report reader should act as a guide for the technical sophistication of the report.
On most projects, frequencies should initially be run on all variables to help identify blunders.
True
What is the best way to code data from a survey that contains many open-ended, exploratory questions in order to reduce bias?
Use two researchers to do the coding and have them compare their results
Which of the following statements about the interpretation of correlations is NOT true?
When you obtain a statistically significant correlation coefficient between two variables, you can safely assume that one variable caused another.
An analyst has a set of data resulting from two observations on the same sample of people, and he wishes to investigate if there is any difference in these two means. The appropriate statistical procedure is
a paired samples t-test.
Univariate analysis refers to analyzing
a variable in isolation.
A gum manufacturer wants to determine whether blue packaging or red packaging is preferred. The company performs a sales test by introducing red packaging into a random sample of ten stores, and blue packages are introduced in an independent, random sample of ten stores. The technique most appropriate for analyzing the data is
an independent samples t-test for means.
If s/he wanted to use the highest level of measurement possible, the researcher measuring respondent age would most likely suggest using _____________ and a(n) _____________ scale.
an open-ended item; ratio
It is impossible to produce frequencies for
any variable in a study.
The most technically oriented material in the report will usually be found in the
appendix.
Convenience samples
are nonprobability samples and are typically not representative of the entire population.
A series of cross-tabulation between an outcome variable and several possible casual variables presented in a single table on a single page is known as a(n)
banner table.
A complete canvass of a population is called a
census.
A researcher is interested in analyzing a set of nominal data to determine if the observed pattern of frequencies corresponds to the expected pattern. The appropriate statistical technique is
chi-square goodness-of-fit.
The research report writing standards are
clarity, accuracy, and completeness.
With unstructured-undisguised questionnaires, the purpose of the study is a. open to interpretation. b. not communicated to the respondents. c. clear, but the responses to the questions are open-ended. d. clear, but the responses to the questions are dichotomous. e. to define the responses that are open-ended.
clear, but the responses to the questions are open-ended.
The location of each variable in the data array and the way in which it was coded are contained in a
codebook.
In a multiple-column record of a data file, ________________ represent different variables and _________________ represent different respondents.
codes, symbols
Validity is
concerned with the extent to which differences in scores reflect true differences in the characteristic.
The researcher told his client that the data indicated a relationship between the weight of dogs and the consumption of low-calorie dog biscuits. The researcher's remarks were a
conclusion.
The range within which to population parameter is likely to fall in the population based on the sample statistic is known as the
confidence interval.
Descriptive statistics include all of the following measures EXCEPT
confidence intervals.
A respondent indicated she redeemed a coupon at Walmart last week but later indicated that she had not visited a Walmart in over two weeks. This type of response poses a problem of
consistency
The most used multivariate data analysis technique in applied marketing research is
cross tabulation.
Pie charts are useful for
depicting relative size.
Histograms are used to
determine the empirical distribution of a variable.
A frequency analysis is NOT used to
determine the relationship between two variables.
When preparing an oral/verbal presentation, the first task of the presenter should be to
determine who will be in the audience.
In a stratum chart, the vertical distance between two lines represents the
difference of the upper and lower line variables.
The number provided by the calculation, "number of completed interviews" divided by the sum of "number of completed interviews" and "number of ineligibles", is called the
eligibility percentage
The chi-square test is an approximate test. The approximation is relatively good if the
expected number of cases in each category is 5 or more.
Categorical measures are most commonly used to
group respondents or objects into groups.
A bar chart where the values of a variable are placed along the X-axis and the absolute or relative frequency along the Y-axis is called a ______________ and can be developed from the _________________.
histogram, one-way frequency tabulation
The best way to reduce nonsampling errors is to
improve data collection techniques.
A research report is NOT
incomplete when it is brief.
Sampling errors can be decreased by
increasing the sample size.
The notion that equal differences among scores represent equal differences in the amount of the at-tribute possessed by the object applies to _____________ scales.
interval and ratio
Because _____________ and _____________ measures are similar when it comes to analysis, many researchers refer to both types as continuous measures.
interval, ratio
Definitions of unfamiliar terms used in the report should be defined in the
introduction.
A sampling frame
is a list of population elements from which the sample will be drawn.
"Please indicate your opinion on congressional spending and tax reform." This question
is double-barralled.
The question, "Do you feel the government should be forced to stop picking out pockets with excessive taxes and return of the taxes collected to taxpayers?"
is leading and double-barrelled.
One advantage of the bar chart over the pie chart is
it can be used to indicate magnitude of the variable categories.
Snowball samples are an example of
judgement sampling.
In probability samples, the probabilities of each element being included must be
known and nonzero
An analyst wishing to present the monthly fluctuations in coffee consumption over the past two years should probably use a _________ chart.
line
A television network sponsors a survey that contains the question, "How often do you watch television?" This question is an example of a a. low-structured question. b. disguised question. c. high-structured question. d. close-ended question. e. fixed-alternative response question.
low-structured question.
When comparing the independent samples t-test for means and the paired sample t-test for means, one is for
measures from separate groups while the other is for measures from the same group.
Multiple regression analysis is useful when there are ________________ independent variable(s) and _________________ dependent variable(s).
more than one, one
One of the major problems with mail surveys is nonresponse bias. In an effort to minimize this, a researcher decides to limit the sample to his personal friends from whom he is sure to get replies. This is an example of a
nonprobability sample.
The potential problem in any project for which data is not collected from ALL respondents selected for the sample is
nonresponse error.
Hypothesis testing involves two mutually exclusive hypotheses that are known as
null and alternative.
A problem with nonprobability samples is
one cannot assess the amount of sampling error likely to occur.
An observation that is very different in magnitude from the rest of the observation for a particular variable is a(n)
outlier.
A chart that uses symbols instead of a bar to indicate length is a variation of bar chart called a
pictogram.
"Order bias" refers to the
potential for responses to be affected by the sequence in which the response alternatives are presented.
When it comes to discussing the limitations of the study, the writer should
provide a balanced account of the specific problems.
All of the following are probability sampling plans EXCEPT
quota.
To improve your writing,
read it aloud.
Information that the respondent has forgotten creates a type of error called
recall loss.
One hundred sports writers are given a survey and asked to rank basketball players on categories such as rebounding, points scored, and assists. The results of the survey indicate that most sports writers agree on the top ten players within the given categories. This is evidence of
reliability
An important consideration for assessing the overall quality of a data collection effort is the
response rate
An analyst wishing to compare the monthly consumption of ABC ice cream against the four other leading brands during the last three years should probably use a
stratum chart.
The most important part of a written research report is the
summary
Coding transforms raw data into ________________ that may be _________________.
symbols, manipulated
A good summary should NOT contain
tables of data.
To determine the degree to which the variables in a cross-tabulation analysis are independent of one another, a researcher should use
the Pearson chi-square test of independence.
As defined in the text, measurement consists of
the assignment of numbers (representing quantities of attributes) to objects or events according to rules.
In general, the simpler the definition of the target population
the easier and less costly it will be to find the sample.
The editing process involes
the inspection and correction of the data received from each sample element.
Item nonresponse refers to
the respondent refusing to answer a question.
At a minimum, a codebook should include all of the following EXCEPT
the results of the study.
Judgment samples are distinguished by the fact that
the sample elements are hand-picked by the investigator because it is expected they can offer the contributions sought.
The most widely used attitude-scaling technique in marketing research is
the summated-rating (Likert) scale.
In a typical stratum chart, the X-axis represents __________, and the Y-axis represents ________________.
time, values of the variable
The purpose of the coding process is to
transform raw data into symbols.
The reporting technique for rating scale questions that presents the percentage of respondent who checked one of the top two positions on a rating scales is known as the
two-box technique.
Which of the following is NOT a recommended coding convention?
use alphabetic codes if possible
In testing a multiple regression equation for statistical significance, the first step involves
using an F-test to examine the significance of the overall equation.
When it comes to standard deviations, if everyone were basically the same on some characteristic or felt the same way about some topic or object, the standard deviation would be
very small.
Which of the following are advantages of stratified over simple random sampling?
- Ensures adequate representation from each stratum of interest - Can produce more precise sample statistics - Allows for the comparison of variables between strata - Takes advantage of homogeneity within groups All of these are correct.
For a scale to have ordinal properties, which of the following must be established?
- If "a" is greater than "b", then "b" is not greater than "a". - If "a" is greater than "b", and "b" is greater than "c", then "a" is greater than "c". - If "a" is equal to "b", and "b" is equal to "c", then "a" is equal to "c". All of these are correct.
Which of the following are potential causes of item nonreponse?
- Poorly worded questions - Questions that are misunderstood - Sensitive questions - Questions that are misinterpreted All of these are correct.
Which of the following factors affect the size of a sample needed when working with a probabilistic sample?
- The amount of diversity or variation of the parameter in question within the population - How precise the estimate must be - The degree of confidence you'd like to have All of these are correct.
Which of the following does NOT affect a respondent's willingness to produce a response?
- The amount of work involved. - The person's ability to articulate an answer. - The sensitivity of the issue. - The individual's ability to remember the event. All of these affect a respondent's willingness to provide a response.
The distinguishing features of a simple random sample are that
- each population element has a known chance of being selected. - each population element has an equal chance of being selected. - every combination of a population elements is a sample possibility. All of these are correct.
A random sample of 5,000 households are selected for interviews with the following results: "1,010 completed interviews; 864 refusals by the respondent; 3,126 no answer/not at home". The response rate is
20%
Which of the following is TRUE?
A "filter" question can be used to determine if a questionnaire respondent is familiar with a certain topic.
The three key decisions to make when collecting data by communication include which of the following? a. The degree of structure to use. b. Whether to disguise the questionnaire. c. Which method of questionnaire administration to use. d. All of these are correct. e. None of these are correct.
All of these are correct.
The use of disguised communication to gather primary research data can a. involve active deception. b. help eliminate response bias. c. hide the purpose or sponsor of the study. d. create a more natural environment in which to collect data from individuals. e. All of these are correct.
All of these are correct.
Response error can be caused by
All of these are correct. Poorly written items, respondent's attitudes and emotions, interviewer bias.
The results of a study based on a sample are a combination of
All of these are correct. Truth and office error, sampling error and noncoverage error, response and nonresponse error.
Nonsampling errors occur because of errors in
All of these are nonsampling errors. Conceptionalization of the response project, reporting the results of a project, arithmetic, interpreting respondent replies.
Which of the following is problematic when conducting telephone interviews in the U.S.? a. Caller ID b. Answering machines/Voicemail c. Do not call lists d. Unlisted numbers e. All of these are problematic.
All of these are problematic. (Caller ID, Answering machines/Voicemail, Do not call lists, Unlisted numbers)
Which of the following is an accurate statement with regard to personal interviews?
As the number of interviewers increases, so do problems of interviewer-related variations in responses.
Which of the following is (are) permissible measure(s) of central tendency with ratio scales?
Both geometric mean as well as arithmetic mean, median, and mode.
Office errors tend to occur during which stages of a project?
Editing and coding
Which of the following questionnaires administration methods is the LEAST expensive?
Email/Wel-based surveys
You should use the lowest level of measurement possible when developing a measure for some attribute.
False
What type of scale is the following? "Indicate your opinion about services Delta Airlines provides, by placing an "X" at the appropriate position on the lines to the right of the services below. Services - Very Bad/Very Good: Frequent flyer program/Continental magazine/On flight food service"
Graphic-rating scale
Which of the following is (are) permissible measure(s) of central tendency with ordinal scales?
Median and mode
Which of the following methods provides descriptive primary data the fastest?
Online survey
Which of the following data collection methods is best for including pictures and/or graphics with the survey while minimizing interviewer bias in the way questions are asked?
Online surveys
"How do you feel about the Apple, Inc.?" is an example of what type of question? a. Fixed-alternative b. Structured c. Open-ended d. Close-ended e. a, b, and c are correct
Open-ended
Which method of obtaining a response is best for questions that may need explaining or when respondents need to explain their answers?
Personal interviews
A researcher wants to be able to assess the amount of "sampling error" associated with an estimate. Which of the following sampling methods would you recommend she use?
Probability
What factor determines which level of measurement is possible?
Properties of the attribute
______________ scales possess an absolute zero.
Ratio
Which attitude rating scale uses pair of bipolar words or phrases and is particularly useful in corporate, brand, and product-images studies?
Semantic-differential scale
Which of the following is NOT a non-probability sampling technique?
Simple random sample
Which sampling plan takes advantage of the fact that, all else equal, smaller samples are required to estimate a population parameter if there is little variation on the characteristic in the group being sampled?
Stratified
Which of the following statements is NOT true of fixed-alternative questions? a. Everyone receives the same questions. b. The questions are open-ended. c. They are commonly used to collect primary data. d. Everyone responds by choosing from among the same set of possible answers. e. All of these statements are true.
The questions are open-ended.
Which of the following is NOT true of a questionnaire with a high degree of structure?
They are difficult to code.
Which of the following statement is TRUE about nonsampling errors?
They may increase with sample size.
In general, it is ideal to capture the needed data using as few questions as possible.
True
One of the biggest advantages of mail questionnaires is the anonymity offered to the respondent. True or False?
True
Population variance is
a measure of the spread of values from their mean.
When determining content of individual questions, in general you want to capture the needed data using
as few questions as possible.
Area of sampling is a form of
cluster sampling.
In marketing research, all of the following are levels of measurement EXCEPT
conscious.
The first step in measuring an attribute is to
determine the properties of the attribute.
Questions that give the respondent no indication of the true purpose of the research project are known as a. disguised questions. b. confounded questions. c. structured questions. d. undisguised questions. e. unstructured questions.
disguised questions.
A parameter represents
fixed characteristics of a population.
A question that cues the respondent to the desired answer is
leading.
A research effort requires the researcher to use numbers to identify or categorize particular objects. The type of scale the researcher will use is
nominal.
Failure to include units, or entire sections, of the defined survey population in the actual operational sampling frame represents
noncoverage error.
Duplication in the list of sampling units results in
overcoverage error.
The sample distribution of a statistic refers to the
range of all possible sample values of the statistic that could be drawn from the parent population under the specified sampling plan.
It is reasonable to state that one object has twice as much of the attribute property when it has a score of 60, and the other object has a score of 30 measurement is on a(n) ________________ score.
ratio
Sampling error is reflected in the
sample distribution of the statistic.
The difference between the results obtained for a sample, and the results we would have obtained had we gathered information from the entire population is (the)
sampling error.
The purpose of a dummy table is to
show how the results of the analysis will be presented.
A sample where the respondent provides the names of other potential respondents is called a(n)
snowball sample.
After John purchased his new car, the car dealer sent him a new owner satisfaction survey, which consisted of several statements about his car, which John was to indicate agreement or disagreement with by checking the appropriate boxes. This survey is a. unstructured-undisguised. b. structured-disguised. c. sentence completion. d. structured-undisguised. e. word association.
structured-undisguised
The responses, as well as the questions, are standardized in a(n) a. unstructured-disguised questionnaire. b. unstructured-undisguised questionnaire. c. structured-undisguised questionnaire. d. depth interview. e. focus group.
structured-undisguised questionnaire.
The "funnel approach" refers to
successively narrowing the focus of related questions.
The major problem with using the mall intercept method to conduct personal interviews concerns
the ability to direct the inquiry to a randomly determined respondent.
The ordinal scale represents a higher level of measurement than the nominal scale in that
the assigned numerals represent the order as well as identifying the object.
The attitude ratings scale with which we might use a snake diagram is
the semantic-differential scale.
The error a researcher should work most to minimize is
total error.
Depth interviews are best classified as an example of the ____________________ method of communication.
unstructured-undisguised
Methods of questionnaires administration rank as follows in terms of time required to collect the data (quickest to slowest):
wed-based survey, telephone surveys, personal interviews, mail surveys.