Chapter 1
Temperatures in Kelvin of various sites on the moon are an example of which type of data?
Continuous
Widths of the doors in a restaurant are an example of which type of data?
Continuous
Determine whether the statement describes a descriptive or inferential statistic. 63% of all freshmen at your school reside on campus.
Descriptive Statistic
The numbers of different colors various boxes of crayons have are an example of which type of data?
Discrete
Letter grades on a test are an example of which type of data?
Neither
Indicate the level of measurement for the data set described. Colors of cats owned by a sample of households.
Nominal
Indicate the level of measurement for the data set described. House type of real-estate listings in Jacksonville, FL (cottage, condo, ranch, etc.)
Nominal
__________ is/are created when there is a problem with either the participation, or lack of participation, of those chosen for the study.
Participation Bias
Entering incorrect values into a data set is an example of ________.
Processing Errors
Boiling points in degrees Celsius for various substances are an example of which type of data?
Quantitative
Indicate the level of measurement for the data set described. Household incomes taken from a selection of federal tax filings.
Ratio
One form of _____ is in the wording of survey questions a researcher has given to participants.
Researcher Bias
________ occurs when a participant gives a response that they think is desired by a researcher.
Response Bias
Determine whether the statement describes a population or a sample. The heights of 5 out of the 32 eggplant plants at Mr. Lonardo's greenhouse.
Sample
Determine whether the statement describes a population or a sample. The number of times 8 out of 36 students on your floor order Chinese in a week.
Sample
Determine if the numerical value describes a parameter or a statistic. A recent poll of 1605 corporate executives showed that the average price of their cars is $34,600.
Sample Statistic
If a quality of life survey is carried out only in large cities, it surely contains __________.
Sampling Bias
Identify the sampling technique used for the following study. A statistics student chooses twenty people at random from each zoning district.
Stratified Sampling
A reviewer decides to interview patrons to see how they would rate a particular restaurant. The following table lists the responses from twenty-five patrons. What is the level of measurement for the data? Are the data qualitative or quantitative?
Ordinal, Qualitative
A reviewer decides to interview viewers to see how they would rate a particular movie. The following table lists the responses from twenty-five viewers. What is the level of measurement for the data? Are the data qualitative or quantitative?
Ordinal, Qualitative
Determine whether the statement describes a population or a sample. The types of cars of all the coaches in the NFL.
Population
Temperatures in degrees Kelvin of various sites on the moon are an example of which type of data?
Quantitative
Identify the population being studied. The heights of 13 out of the 29 eggplant plants at Mr. Lonardo's greenhouse. 1. All eggplant plants at Mr. Lonardo's greenhouse. 2. The 13 eggplant plants at Mr. Lonardo's greenhouse. 3. All eggplant plants in the greenhouse.
All eggplant plants at Mr. Lonardo's greenhouse.
Identify the population being studied. The heights of 9 out of the 25 eggplant plants at Mr. Lonardo's greenhouse. 1. All eggplant plants in the greenhouse. 2. All eggplant plants at Mr. Lonardo's greenhouse. 3. The 9 eggplant plants at Mr. Lonardo's greenhouse.
All eggplant plants at Mr. Lonardo's greenhouse.
Favoritism, partiality, and preconceived notions are types of _______.
Bias
Classify the following scenario as a meta-analysis or a case study. Tissue samples from five bodies are analyzed for mercury levels.
Case study
Identify the sampling technique used for the following study. For budget purposes, a college president needs to know the average cost of health plans of employees at their university.
Census
Identify the sampling technique used for the following study. Gather data from each member of the population.
Census
Identify the sampling technique used for the following study. A market researcher interviews each member from each of the ten randomly chosen voting districts in a county.
Cluster Sampling
Identify the sampling technique used for the following study. A random number generator is used to choose ten cities. Then a political strategist collects data from each person in these cities.
Cluster Sampling
Determine whether the statement describes a descriptive or inferential statistic. The average price of a car at the new car dealership in town is $29,300.
Descriptive Statistic
The numbers of people in each statistics class at your school are an example of which type of data?
Discrete
The numbers of red cars on various roads are an example of which type of data?
Discrete
The numbers of telephone calls received in one day by each person in a company are an example of which type of data?
Discrete
An experiment in which both examiners and subjects do not know into which group a subject has been placed is _____.
Double-blind
If a participant begins a study but fails to complete it, then that participant is a(n) _________.
Dropout
Determine whether the statement describes a descriptive or inferential statistic. A survey of 1374 people revealed that 55% have a college degree; therefore it can be assumed that 55% of the U.S. population has a college degree.
Inferential Statistic
When working with humans or animals, the _______ requires extensive proof that no physical or mental harm will occur to the subjects in the study.
Institutional Review Board
Indicate the level of measurement for the data set described. Copyright years of all books in a library
Interval
Indicate the level of measurement for the data set described. Temperature (in degrees Fahrenheit) of apartment thermostats in an apartment complex
Interval
Indicate the level of measurement for the data set described. Time of day a person woke up each day for a year.
Interval
Songs on a band's set list are an example of which type of data?
Neither
Suits of playing cards are an example of which type of data?
Neither
Types of cars people own are an example of which type of data?
Neither
Types of movies people go to see are an example of which type of data?
Neither
Indicate the level of measurement for the data set described. Breeds of dogs owned by a sample of households
Nominal
In order to help decide when and where to advertise, an electronics repair company decided to pull invoices and tally what types of products were repaired. There were twenty-five products repaired that month. What is the level of measurement for the data? Are the data qualitative or quantitative?
Nominal, Qualitative
n order to help decide when and where to advertise, an outdoor equipment repair company decided to pull invoices and tally what types of power tools were repaired. There were twenty-five power tools repaired that month. What is the level of measurement for the data? Are the data qualitative or quantitative?
Nominal, Qualitative
A(n) _______ is a subject who strays from the directions they were given for the study, yet they remain in the sample.
Nonadherent(s)
____________ occurs when there is a lack of participation in a self-selected sample from certain segments of a population.
Nonresponse Bias
Determine whether an observational or experimental study is appropriate to address the following statement. A deli cart entrepreneur wants to study if her customer base is shrinking.
Observational
Indicate the level of measurement for the data set described. Categories of hurricanes that have hit the Atlantic coast
Ordinal
Indicate the level of measurement for the data set described. High school class rankings for a graduating class.
Ordinal
Indicate the level of measurement for the data set described. Political orientation as reported by students in a political science class (left, center, right)
Ordinal
Indicate the level of measurement for the data set described. Satisfaction ratings from course surveys given at the end of the semester
Ordinal
Select the term which best describes the following scenario. A new painkiller is studied. A group of people with chronic pain participating in the study are administered the drug, another group is given a sugar pill. The group that takes the sugar pill has a significant reduction in pain.
Placebo effect
Determine if the numerical value describes a population parameter or a sample statistic. 51% of all babies born at the local hospital last year were boys.
Population Parameter
Determine if the numerical value describes a population parameter or a sample statistic. 66% of all students at the local university voted in the last election.
Population Parameter
Identify the population being studied and the sample chosen. The midterm exam scores of 4 out of the 28 students in your math class. 1. Population: All students taking a math class. Sample: 4 out of the 28 students in your math class. 2. Population: All students in your math class. Sample: 4 out of the 28 students in your math class. 3. Population: 4 out of the 28 students in your math class. Sample: 28 students in your math class.
Population: All students in your math class. Sample: 4 out of the 28 students in your math class.
Identify the population being studied and the sample chosen. The number of times 4 out of 37 students on your floor order take-out in a week. 1. Population: All students who order take-out in a week. Sample: The 4 students selected on your floor. 2. Population: All students who order take-out in a week. Sample: The 37 students selected on your floor. 3. Population: The 37 students on your floor. Sample: The 4 students selected on your floor.
Population: The 37 students on your floor. Sample: The 4 students selected on your floor.
Months of the year are an example of which type of data?
Qualitative
Yards a running back rushes for during a football game are an example of which type of data?
Quantitative
Indicate the level of measurement for the data set described. Amount of weight lost by each participant in a fitness boot camp
Ratio
Indicate the level of measurement for the data set described. Amount of weight lost by each participant in a fitness boot camp.
Ratio
Indicate the level of measurement for the data set described. Number of athletes on the roster of each football team in the NCAA
Ratio
Indicate the level of measurement for the data set described. Total dollar value of all items in a safe.
Ratio
Determine if the numerical value describes a parameter or a statistic. A recent poll of 3482 home owners in Pennsylvania showed that the average price of their houses is $274,000.
Sample Statistic
Determine if the numerical value describes a parameter or a statistic. A recent poll of 533 students showed that the average number of hours they study per week is 6.8.
Sample Statistic
Determine if the numerical value describes a parameter or a statistic. A survey of 3159 people in the U.S. revealed that 73% of those surveyed are self-conscious about their weight.
Sample Statistic
Identify the sample chosen for the study. The number of hours a group of 12 children in Mrs. Smith's kindergarten class read in a day. 1. All children in Mrs. Smith's kindergarten class. 2. The 12 children selected in Mrs. Smith's kindergarten class. 3. The number of children read.
The 12 children selected in Mrs. Smith's kindergarten class.
Identify the sample chosen for the study. The number of times 12 out of 27 students on your floor order Chinese in a week. 1. The 12 students on your floor. 2. The 27 students on your floor 3. All students who order Chinese in a week.
The 12 students on your floor.
Select all scenarios which demonstrate the use of a longitudinal study. 1. A professor gives a quiz to her class to determine what topics they are struggling with. 2. A principal wants to determine the number of current students in her high school who plan to attend college. 3. The city government reviews parking tickets issued each month over a two-year period to determine if there are certain times of the year that generally have higher rates of issuance. 4. An electric company wants to determine their peak hours of usage, so they review their data for energy demand over the past two years.
The city government reviews parking tickets issued each month over a two-year period to determine if there are certain times of the year that generally have higher rates of issuance. An electric company wants to determine their peak hours of usage, so they review their data for energy demand over the past two years.