Question 1

The distinguishing features of a simple random sample are

Accepted Answer

A) each population element has a known chance of being selected. 
B) each population element has an equal chance of being selected. 
C) every combination of n population elements is a sample possibility. 
D) Both a and b. 
E) a,b,and c. 
A) each population element has a known chance of being selected. 
B) each population element has an equal chance of being selected. 
C) every combination of n population elements is a sample possibility. 
D) Both a and b. 
E) a,b,and c.

Question 2

If a local newspaper reporter tries to gather information about perceptions of a proposed comprehensive "senior exit exam" by interviewing officers from the university's student senate (because they are well informed about the feelings of the general student body),what type of sampling procedure is he using?

Accepted Answer

A) Simple random sample 
B) Systematic sample 
C) Judgment sample 
D) Convenience sample 
E) Quota sample 
A) Simple random sample 
B) Systematic sample 
C) Judgment sample 
D) Convenience sample 
E) Quota sample

Question 3

Population variance is

Accepted Answer

A) an unbiased estimator of sample variance. 
B) equivalent to the standard error of the mean. 
C) always unknown when using probability sampling. 
D) a measure of the spread of values from their mean. 
E) always known when using probability sampling. 
A) an unbiased estimator of sample variance. 
B) equivalent to the standard error of the mean. 
C) always unknown when using probability sampling. 
D) a measure of the spread of values from their mean. 
E) always known when using probability sampling.

Question 4

The distinguishing feature of nonprobability sampling plans is that

Accepted Answer

A) they allow an assessment of sampling error. 
B) they are not as representative of the population as probability samples. 
C) they involve personal judgment somewhere in the selection of sample elements. 
D) there is only one basic type of nonprobability sample while there are several types of probability samples. 
E) they tend to be more expensive than probability samples. 
A) they allow an assessment of sampling error. 
B) they are not as representative of the population as probability samples. 
C) they involve personal judgment somewhere in the selection of sample elements. 
D) there is only one basic type of nonprobability sample while there are several types of probability samples. 
E) they tend to be more expensive than probability samples.

Question 5

The differences between a cluster sample and a stratified sample are in a

Accepted Answer

A) cluster sample,the parent population is divided into mutually exclusive and exhaustive subsets. 
B) stratified sample,the parent population is divided into mutually exclusive and exhaustive subsets. 
C) stratified sample,a simple random sample of elements is chosen independently from each group or subset,while in a cluster sample,a random sample of the subsets is selected. 
D) cluster sample,a simple random sample of elements is chosen independently from each group or subset,while in a stratified sample,a random sample of the subsets is selected. 
E) None of the above. 
A) cluster sample,the parent population is divided into mutually exclusive and exhaustive subsets. 
B) stratified sample,the parent population is divided into mutually exclusive and exhaustive subsets. 
C) stratified sample,a simple random sample of elements is chosen independently from each group or subset,while in a cluster sample,a random sample of the subsets is selected. 
D) cluster sample,a simple random sample of elements is chosen independently from each group or subset,while in a stratified sample,a random sample of the subsets is selected. 
E) None of the above.

Question 6

If you decided to interview members of your class with regard to issues relating to the university and college life,you would have selected the ____ as a means of sampling members of the total population.

Accepted Answer

A) simple random sample 
B) stratified random sample 
C) cluster (area)sample 
D) convenience sample 
E) quota sample 
A) simple random sample 
B) stratified random sample 
C) cluster (area)sample 
D) convenience sample 
E) quota sample

Question 7

If you enter a shopping mall and notice a researcher handing out surveys to everyone asking their opinion about a possible increase in state sales tax rates,what type of sampling procedure is being used?

Accepted Answer

A) Convenience sample 
B) Implied sample 
C) Simple random sample 
D) Systematic sample 
E) Quota sample 
A) Convenience sample 
B) Implied sample 
C) Simple random sample 
D) Systematic sample 
E) Quota sample

Question 8

One goal of stratified sampling plans is to decrease the amount of variability in each stratum.This can be accomplished by

Accepted Answer

A) making the strata internally heterogeneous. 
B) increasing the amount of sampling error. 
C) decreasing the magnitude of the overall sample mean. 
D) making the strata internally homogeneous. 
E) using a 99% confidence level instead of a 95% confidence level. 
A) making the strata internally heterogeneous. 
B) increasing the amount of sampling error. 
C) decreasing the magnitude of the overall sample mean. 
D) making the strata internally homogeneous. 
E) using a 99% confidence level instead of a 95% confidence level.

Question 9

Using probability sampling,Sam collected data on the number of dogs owned in each household in the Houston area.He analyzed his data and determined that 1.3 dogs are owned in each household.He might conclude from this information that there is a probability that at least one dog is owned by every household in Texas.Sam used ____ to draw this conclusion.

Accepted Answer

A) statistical inference 
B) intuition 
C) crystal ball inference 
D) intention processing 
E) perceptual mapping 
A) statistical inference 
B) intuition 
C) crystal ball inference 
D) intention processing 
E) perceptual mapping

Question 10

To develop a representative,systematic sample of personal income,the population census

Accepted Answer

A) should be ordered at random. 
B) should be ordered from high to low income. 
C) should be ordered from low to high income. 
D) Either b or c is correct. 
E) None of the above. 
A) should be ordered at random. 
B) should be ordered from high to low income. 
C) should be ordered from low to high income. 
D) Either b or c is correct. 
E) None of the above.

Question 11

A sampling frame

Accepted Answer

A) is a list of population elements from which the sample will be drawn. 
B) is the list of population elements actually included in the sample. 
C) usually provides biased statistics. 
D) is a form of probability sampling. 
E) is a form of nonprobability sampling. 
A) is a list of population elements from which the sample will be drawn. 
B) is the list of population elements actually included in the sample. 
C) usually provides biased statistics. 
D) is a form of probability sampling. 
E) is a form of nonprobability sampling.

Question 12

Which of the following statements is CORRECT?

Accepted Answer

A) A low incidence means that a high percentage of the general population of interest qualifies for inclusion in the study. 
B) A low incidence means that a low percentage of the general population is expected to respond to the study. 
C) A low incidence means that a low percentage of the general population qualifies for inclusion in the study. 
D) A low incidence means that a low percentage of the general population will participate in the study. 
E) None of the above are true statements. 
A) A low incidence means that a high percentage of the general population of interest qualifies for inclusion in the study. 
B) A low incidence means that a low percentage of the general population is expected to respond to the study. 
C) A low incidence means that a low percentage of the general population qualifies for inclusion in the study. 
D) A low incidence means that a low percentage of the general population will participate in the study. 
E) None of the above are true statements.

Question 13

A(n)____ statistic is one whose ____ value from all possible distinguishable samples under the sampling plan is equal to the parameter it estimates.

Accepted Answer

A) biased,median 
B) efficient,average 
C) unbiased,mean 
D) sample,biased 
E) unbiased,extreme 
A) biased,median 
B) efficient,average 
C) unbiased,mean 
D) sample,biased 
E) unbiased,extreme

Question 14

In proportionate stratified sampling,after the total sample is allocated,a simple random sample is chosen from each subpopulation to create the total sample.

Accepted Answer

A) True 
 B)False

Question 15

The advantages of stratified over simple random sampling include stratified sampling

Accepted Answer

A) ensures adequate representation from each stratum of interest. 
B) can produce more precise sample statistics. 
C) allows for the comparison of variables between strata. 
D) Both b and c. 
E) All of the above. 
A) ensures adequate representation from each stratum of interest. 
B) can produce more precise sample statistics. 
C) allows for the comparison of variables between strata. 
D) Both b and c. 
E) All of the above.

Question 16

Stratified samples are most appropriate when the population is known to be "skewed."

Accepted Answer

A) True 
 B)False

Question 17

The primary advantage of area sampling plans is

Accepted Answer

A) area sampling data is easy to tabulate and analyze. 
B) they don't require probability-based methods of element selection. 
C) results can be generalized from one area to another without loss of statistical efficiency. 
D) they don't require a list of elements from the population of interest. 
E) the results are more understandable for the general public than other,more complex plans. 
A) area sampling data is easy to tabulate and analyze. 
B) they don't require probability-based methods of element selection. 
C) results can be generalized from one area to another without loss of statistical efficiency. 
D) they don't require a list of elements from the population of interest. 
E) the results are more understandable for the general public than other,more complex plans.

Question 18

If the number of elements to be sampled is not decided in advance,but determined by a series of decisions as the data are collected,the sample is

Accepted Answer

A) sequential. 
B) quota. 
C) accidental. 
D) fixed. 
E) None of the above are correct. 
A) sequential. 
B) quota. 
C) accidental. 
D) fixed. 
E) None of the above are correct.

Question 19

The criteria that need to be balanced when choosing a disproportionate stratified sample are

Accepted Answer

A) strata size. 
B) strata heterogeneity. 
C) strata variances on the variable of interest. 
D) Both a and b. 
E) a,b,and c. 
A) strata size. 
B) strata heterogeneity. 
C) strata variances on the variable of interest. 
D) Both a and b. 
E) a,b,and c.

Question 20

A researcher is seeking a representative sample (of size n=50)of Fortune magazine's list of the 500 largest industrial corporations.She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected.The researcher is using what type of sampling plan?

Accepted Answer

A) Simple random sampling 
B) Judgment sampling 
C) Systematic sampling 
D) Stratified sampling 
E) Convenience sampling 
A) Simple random sampling 
B) Judgment sampling 
C) Systematic sampling 
D) Stratified sampling 
E) Convenience sampling

The distinguishing features of a simple random sample are

Population variance is

The distinguishing feature of nonprobability sampling plans is that

The differences between a cluster sample and a stratified sample are in a

If you decided to interview members of your class with regard to issues relating to the university and college life,you would have selected the ____ as a means of sampling members of the total population.

If you enter a shopping mall and notice a researcher handing out surveys to everyone asking their opinion about a possible increase in state sales tax rates,what type of sampling procedure is being used?

One goal of stratified sampling plans is to decrease the amount of variability in each stratum.This can be accomplished by

To develop a representative,systematic sample of personal income,the population census

A sampling frame

Which of the following statements is CORRECT?

A(n) statistic is one whose value from all possible distinguishable samples under the sampling plan is equal to the parameter it estimates.

In proportionate stratified sampling,after the total sample is allocated,a simple random sample is chosen from each subpopulation to create the total sample.

The advantages of stratified over simple random sampling include stratified sampling

Stratified samples are most appropriate when the population is known to be "skewed."

The primary advantage of area sampling plans is

If the number of elements to be sampled is not decided in advance,but determined by a series of decisions as the data are collected,the sample is

The criteria that need to be balanced when choosing a disproportionate stratified sample are

A researcher is seeking a representative sample (of size n=50)of Fortune magazine's list of the 500 largest industrial corporations.She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected.The researcher is using what type of sampling plan?

The Role of Marketing Research

Gathering Marketing Intelligence: The Systems Approach

Gathering Marketing Intelligence: The Project Approach

Problem Formulation

Types of Research Design and Exploratory Research

Descriptive and Causal Research Designs

Secondary Data

Standardized Marketing Information Services

Collecting Primary Data

Collecting Information by Communication

Collecting Information by Observation

Asking Good Questions: Measurement Basics

Measuring Attitudes and Other Variables

Designing the Questionnaire or Observation Form

Determining Sample Size

Collecting the Data: Nonsampling Errors and Response Rate Calculation

Data Analysis: Preliminary Steps

Data Analysis: Analyzing Individual Variables and Basics of Hypothesis Testing

Data Analysis: Analyzing Multiple Variables Simultaneously

The Research Report

Filters

Exam 15: Developing the Sampling Plan

The distinguishing features of a simple random sample are

Population variance is

The distinguishing feature of nonprobability sampling plans is that

The differences between a cluster sample and a stratified sample are in a

If you decided to interview members of your class with regard to issues relating to the university and college life,you would have selected the ____ as a means of sampling members of the total population.

If you enter a shopping mall and notice a researcher handing out surveys to everyone asking their opinion about a possible increase in state sales tax rates,what type of sampling procedure is being used?

One goal of stratified sampling plans is to decrease the amount of variability in each stratum.This can be accomplished by

To develop a representative,systematic sample of personal income,the population census

A sampling frame

Which of the following statements is CORRECT?

A(n)____ statistic is one whose ____ value from all possible distinguishable samples under the sampling plan is equal to the parameter it estimates.

In proportionate stratified sampling,after the total sample is allocated,a simple random sample is chosen from each subpopulation to create the total sample.

The advantages of stratified over simple random sampling include stratified sampling

Stratified samples are most appropriate when the population is known to be "skewed."

The primary advantage of area sampling plans is

If the number of elements to be sampled is not decided in advance,but determined by a series of decisions as the data are collected,the sample is

The criteria that need to be balanced when choosing a disproportionate stratified sample are

A researcher is seeking a representative sample (of size n=50)of Fortune magazine's list of the 500 largest industrial corporations.She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected.The researcher is using what type of sampling plan?

The Role of Marketing Research

Gathering Marketing Intelligence: The Systems Approach

Gathering Marketing Intelligence: The Project Approach

Problem Formulation

Types of Research Design and Exploratory Research

Descriptive and Causal Research Designs

Secondary Data

Standardized Marketing Information Services

Collecting Primary Data

Collecting Information by Communication

Collecting Information by Observation

Asking Good Questions: Measurement Basics

Measuring Attitudes and Other Variables

Designing the Questionnaire or Observation Form

Determining Sample Size

Collecting the Data: Nonsampling Errors and Response Rate Calculation

Data Analysis: Preliminary Steps

Data Analysis: Analyzing Individual Variables and Basics of Hypothesis Testing

Data Analysis: Analyzing Multiple Variables Simultaneously

The Research Report

Filters

A(n) statistic is one whose value from all possible distinguishable samples under the sampling plan is equal to the parameter it estimates.