Question 1

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

Accepted Answer

A) True 
 B)False

Question 2

____________________ error results from the failure to collect data from all subjects in the sample.

Accepted Answer

The answer of ____________________ error results from the failure to...

Question 3

Cluster samples typically cost less but they also increase sampling error.

Accepted Answer

A) True 
 B)False

Question 4

Nonresponse error occurs when someone was not selected to participate in the survey.

Accepted Answer

A) True 
 B)False

Question 5

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Accepted Answer

A)  simple random sampling. 
B)  stratified random sampling. 
C)  cluster sampling. 
D)  selection bias. 
A)  simple random sampling. 
B)  stratified random sampling. 
C)  cluster sampling. 
D)  selection bias.

Question 6

Is it possible for a sample to yield better results than a census, from a practical standpoint? Explain.

Accepted Answer

Yes.In any case where the popu

Question 7

List one advantage and one disadvantage of a telephone interview as a method of data collection.

Accepted Answer

Advantage: It is usually less expensive

Question 8

Two types of interviews that are used to collect data are ____________________ interviews and ____________________ interviews.

Accepted Answer

personal;

Question 9

Self-administered surveys usually have a high response rate.

Accepted Answer

A) True 
 B)False

Question 10

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following situations lends itself to cluster samples?

Accepted Answer

A)  When it is difficult to develop a complete list of the population members. 
B)  When the population members are widely dispersed. 
C)  When selecting and collecting data from a simple random sample is too costly. 
D)  All of these choices are true. 
A)  When it is difficult to develop a complete list of the population members. 
B)  When the population members are widely dispersed. 
C)  When selecting and collecting data from a simple random sample is too costly. 
D)  All of these choices are true.

Question 12

Describe the difference between an observational study and an experimental study.

Accepted Answer

In an observational study, there is no a

Question 13

Sampling error refers to the difference between the sample and the population that exists only because of the observations that happened to be selected for the sample.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is an example of a nonsampling error?

Accepted Answer

A)  Some incorrect responses are recorded. 
B)  Responses are not obtained from all members of the sample. 
C)  Some members of the target population cannot possibly be selected for the sample. 
D)  All of these choices are true. 
A)  Some incorrect responses are recorded. 
B)  Responses are not obtained from all members of the sample. 
C)  Some members of the target population cannot possibly be selected for the sample. 
D)  All of these choices are true.

Question 15

The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a videocassette recorder over the past 12 months are satisfied with their products.If there are 4 different brands of videocassette recorders made by the company, the best sampling strategy would be to use a:

Accepted Answer

A)  simple random sample. 
B)  stratified random sample. 
C)  cluster sample. 
D)  self-selected sample. 
A)  simple random sample. 
B)  stratified random sample. 
C)  cluster sample. 
D)  self-selected sample.

Question 16

To reduce sampling error, minimize the chance for bias to occur during sampling.

Accepted Answer

A) True 
 B)False

Question 17

Experimental data tend to be more reliable, or "stronger," than survey data.

Accepted Answer

A) True 
 B)False

Question 18

A self-selected sample represents the sampled population but not the target population.

Accepted Answer

A) True 
 B)False

Question 19

A person receives a mail survey and shreds it without opening it.This causes nonresponse error.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following describes selection bias?

Accepted Answer

A)  A leading question is selected for inclusion in the survey. 
B)  Some members of the target population are excluded from possible selection for the sample. 
C)  A person selected for the sample has a biased opinion about the survey. 
D)  All of these choices are true. 
A)  A leading question is selected for inclusion in the survey. 
B)  Some members of the target population are excluded from possible selection for the sample. 
C)  A person selected for the sample has a biased opinion about the survey. 
D)  All of these choices are true.

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

____________________ error results from the failure to collect data from all subjects in the sample.

Cluster samples typically cost less but they also increase sampling error.

Nonresponse error occurs when someone was not selected to participate in the survey.

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Is it possible for a sample to yield better results than a census, from a practical standpoint? Explain.

List one advantage and one disadvantage of a telephone interview as a method of data collection.

Two types of interviews that are used to collect data are interviews and interviews.

Self-administered surveys usually have a high response rate.

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Which of the following situations lends itself to cluster samples?

Describe the difference between an observational study and an experimental study.

Sampling error refers to the difference between the sample and the population that exists only because of the observations that happened to be selected for the sample.

Which of the following is an example of a nonsampling error?

To reduce sampling error, minimize the chance for bias to occur during sampling.

Experimental data tend to be more reliable, or "stronger," than survey data.

A self-selected sample represents the sampled population but not the target population.

A person receives a mail survey and shreds it without opening it.This causes nonresponse error.

Which of the following describes selection bias?

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Filters

Exam 5: Data Collection and Sampling

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

____________________ error results from the failure to collect data from all subjects in the sample.

Cluster samples typically cost less but they also increase sampling error.

Nonresponse error occurs when someone was not selected to participate in the survey.

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Is it possible for a sample to yield better results than a census, from a practical standpoint? Explain.

List one advantage and one disadvantage of a telephone interview as a method of data collection.

Two types of interviews that are used to collect data are ____________________ interviews and ____________________ interviews.

Self-administered surveys usually have a high response rate.

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Which of the following situations lends itself to cluster samples?

Describe the difference between an observational study and an experimental study.

Sampling error refers to the difference between the sample and the population that exists only because of the observations that happened to be selected for the sample.

Which of the following is an example of a nonsampling error?

To reduce sampling error, minimize the chance for bias to occur during sampling.

Experimental data tend to be more reliable, or "stronger," than survey data.

A self-selected sample represents the sampled population but not the target population.

A person receives a mail survey and shreds it without opening it.This causes nonresponse error.

Which of the following describes selection bias?

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Filters

Two types of interviews that are used to collect data are interviews and interviews.