stats

Classify the following scenario as a meta-analysis or a case study. An underwriter reviews fifteen weather reports from hurricanes to compare for common factors.

meta-analysis

Colors of jelly beans in a jar are an example of which type of data?

neither

A form of a(n) _______ is when a subject lies when answering a survey.

non-sampling

A(n) _______ is a participant who does not follow the instructions for a study.

nonadherents

Determine whether an observational or experimental study is appropriate to address the following statement. A gas station owner wants to find out if a need for additional staffing exists.

observational

When many participants in a study have strong opinions, _______ could occur.

participation bias

Determine whether the statement describes a population or a sample. The number of times the students on your floor order buffalo wings in a week.

population

Identify the sample chosen for the study. The number of times 1212 out of 2323 students on your floor order buffalo wings in a week.

the 12 students

To perform a research study, you need to obtain approval from an _______.

informed consent

To perform a research study, you need to obtain approval from an _______.

instituational review board

Identify the population being studied. The ages of a sample of 3737 parents of your classmates.

all parents

_______ occurs when a study tends to favor certain results.

bias

Classify the following scenario as a meta-analysis or a case study. A produce manager inspects five ears of corn off a truck before purchasing the load.

case study

Five cattle are selected and examined for signs of disease.

case study

Identify the sampling technique used for the following study. Select each member of the entire population.

census

identify the sampling technique used for the following study. For administrative purposes, a college president needs to know the average cost of health plans of employees at their university.

census

A school administrator interviews each member from each of the ten randomly chosen zoning districts in a town.

cluster

Identify the sampling technique used for the following study. A scientist interviews each member from each of the fifteen randomly chosen freshmen dormitories at universities across the country.

cluster

A random number generator is used to choose fifteen classes. Then a college student collects data from each person in these classes.

cluster sampling

Factors that influence the results of a study that the researcher did not, or could not, account for are known as _______.

confounding variable

Lengths of time it takes for new light bulbs to burn out are an example of which type of data?

continuous

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$29,300.

descriptive

The numbers of languages that various people speak fluently are an example of which type of data?

discrete

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 13851385 people revealed that 54%54% are self-conscious about their weight; therefore it can be assumed that 54%54% of the U.S. population are self-conscious about their weight.

inferential

Determine if the numerical value describes a population parameter or a sample statistic. The average number of hours students in your statistics class study per week is 15.815.8.

population parameter

Identify the population being studied and the sample chosen. The heights of 44 out of the 3434 okra plants at Mr. Lonardo's greenhouse.

population: the 34 okra sample: the 4 okra

A non-sampling error is when results from a study are tabulated incorrectly. An error of this form is called a(n) _______.

processing error

Colors contained in a box of crayons are an example of which type of data?

qualitative

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. A statistical experiment is conducted in which the experimenter draws a card from a deck and records the suit of a card. The suits are recorded by placing the appropriate number on a form. The numbers used are given below: 1) Spades 2) Hearts 3) Diamonds 4) Clubs

qualitative neither nominal

Fifty people were asked to respond to a survey question regarding how frequently they used their credit card. The categories they were asked to choose from are given below: 1) Infrequently 2) Sometimes 3) Frequently

qualitative neither ordinal

Pounds gained by persons in your class during the first month of the semester are an example of which type of data?

quantitative

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The amount of monthly rainfall in 66 randomly selected months.

quantitative continious ration

Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The temperature in Fahrenheit of a U.S. city each day for a month.

quantitative continious interval

One form of _______ is in the wording of survey questions a researcher has given to participants.

researcher bias

Determine whether the statement describes a population or a sample. The price of homes of a sample of 2323 professors at the local college.

sample

_______ can occur if the sampling frame excludes certain members of the population .

sampling error

Determine if the numerical value describes a parameter or a statistic. A survey of 18171817 people revealed that 75%75% of the U.S. population eats while they drive.

simple stats

An experiment in which only the subject does not realize whether they received a treatment or placebo is _______.

single-blind

A statistics student chooses twenty people at random from each zoning district.

stratified

First, the population is subdivided by class. Then a crime researcher uses a random number generator to select fifteen members from each class to study.

stratified sampling

Identify the sampling technique used for the following study. A scientist chooses five students at random from each math class.

stratified sampling