Question 1

The arbitrary approach to sample size determination takes the desired level of accuracy into account.

Accepted Answer

A) True 
 B)False

Question 2

It is almost always up to the researcher to educate the manager on what might be acceptable or "standard" sample error.

Accepted Answer

A) True 
 B)False

Question 3

If we are using the formula for calculating the sample size for estimating a mean,the formula will contain:

Accepted Answer

A) s 
B) % 
C) Z3 
D) pq 
E) None of the above;there is no sample size formula for estimating a mean 
A) s 
B) % 
C) Z3 
D) pq 
E) None of the above;there is no sample size formula for estimating a mean

Question 4

The confidence interval approach to determining sample size applies the concepts of accuracy,variability,and confidence interval to create a "correct" sample size.

Accepted Answer

A) True 
 B)False

Question 5

There is a separate sample size formula for estimating a percentage of the population than for estimating a mean of the population.

Accepted Answer

A) True 
 B)False

Question 6

Sources of error that come from sources other than the sample selection method and sample size are referred to as:

Accepted Answer

A) serious mistakes. 
B) nonsampling errors. 
C) errors caused by competitors. 
D) errors caused by clients. 
E) errors caused by statisticians. 
A) serious mistakes. 
B) nonsampling errors. 
C) errors caused by competitors. 
D) errors caused by clients. 
E) errors caused by statisticians.

Question 7

A graph of the relationship between accuracy and size of the sample shows that accuracy increases dramatically up until sample sizes near 500.Thereafter,it takes much larger increases in sample size to gain increases in accuracy.

Accepted Answer

A) True 
 B)False

Question 8

When determining sample size,the conventional approach would NOT be:

Accepted Answer

A) an average of the sample sizes of similar studies. 
B) the modal sample size of previous surveys. 
C) 5 percent of the entire population. 
D) the sample size of a competitor's survey that the company somehow discovered. 
E) the sample sizes normally reported in published reports. 
A) an average of the sample sizes of similar studies. 
B) the modal sample size of previous surveys. 
C) 5 percent of the entire population. 
D) the sample size of a competitor's survey that the company somehow discovered. 
E) the sample sizes normally reported in published reports.

Question 9

Which of the following is true regarding probability samples?

Accepted Answer

A) They are as perfect as a census and contain no errors caused by competitors. 
B) They will always contain some inaccuracy (sample error). 
C) They contain serious mistakes,but can be adjusted by statistical weighting procedures. 
D) They are particularly susceptible to nonsampling errors. 
E) When they approach large values,say 1,000,they are equivalent to a census. 
A) They are as perfect as a census and contain no errors caused by competitors. 
B) They will always contain some inaccuracy (sample error). 
C) They contain serious mistakes,but can be adjusted by statistical weighting procedures. 
D) They are particularly susceptible to nonsampling errors. 
E) When they approach large values,say 1,000,they are equivalent to a census.

Question 10

Which of the following samples have been determined by using the statistical analysis approach?

Accepted Answer

A) the sample size needed to properly analyze subgroups 
B) 1,000 respondents 
C) between 1,000 and 1,200 respondents 
D) 200 respondents because each interview is $30 
E) a former study's sample,which generated favorable statistics 
A) the sample size needed to properly analyze subgroups 
B) 1,000 respondents 
C) between 1,000 and 1,200 respondents 
D) 200 respondents because each interview is $30 
E) a former study's sample,which generated favorable statistics

Question 11

It is inappropriate to apply sample size formulae when an unknown bias is introduced by a subjective sampling method (i.e. ,nonprobability).

Accepted Answer

A) True 
 B)False

Question 12

In a study of the U.S.workforce population,a research company interviews 5,000 persons on a street corner in New York.If they decide to increase the sample size to 10,000,they would:

Accepted Answer

A) increase the sample size and the representativeness of the sample. 
B) increase both sample accuracy and representativeness of the sample. 
C) increase only the representativeness. 
D) decrease the sample accuracy. 
E) increase the sample size,but the sample would still not be representative of the population. 
A) increase the sample size and the representativeness of the sample. 
B) increase both sample accuracy and representativeness of the sample. 
C) increase only the representativeness. 
D) decrease the sample accuracy. 
E) increase the sample size,but the sample would still not be representative of the population.

The arbitrary approach to sample size determination takes the desired level of accuracy into account.

It is almost always up to the researcher to educate the manager on what might be acceptable or "standard" sample error.

If we are using the formula for calculating the sample size for estimating a mean,the formula will contain:

The confidence interval approach to determining sample size applies the concepts of accuracy,variability,and confidence interval to create a "correct" sample size.

There is a separate sample size formula for estimating a percentage of the population than for estimating a mean of the population.

Sources of error that come from sources other than the sample selection method and sample size are referred to as:

A graph of the relationship between accuracy and size of the sample shows that accuracy increases dramatically up until sample sizes near 500.Thereafter,it takes much larger increases in sample size to gain increases in accuracy.

When determining sample size,the conventional approach would NOT be:

Which of the following is true regarding probability samples?

Which of the following samples have been determined by using the statistical analysis approach?

It is inappropriate to apply sample size formulae when an unknown bias is introduced by a subjective sampling method (i.e. ,nonprobability).

In a study of the U.S.workforce population,a research company interviews 5,000 persons on a street corner in New York.If they decide to increase the sample size to 10,000,they would:

Introduction to Marketing Research

The Marketing Research Industry

The Marketing Research Process Defining the Problem and Research Objectives

Research Design

Secondary Data Packaged Information

Utilizing Exploratory and Qualitative Research Techniques

Evaluating Survey Data Collection Methods

Understanding Measurement, developing Questions, and Designing the Questionnaire

Selecting the Sample

Dealing With Fieldwork and Data Quality

Using Basic Descriptive Analysis, performing Population Estimates, and Testing Hypotheses

Implementing Basic Differences Tests

Making Use of Associations Tests

Understanding Regression Analysis Basics

Writing the Research Report

Filters

Exam 10: Determining the Size of a Sample

The arbitrary approach to sample size determination takes the desired level of accuracy into account.

It is almost always up to the researcher to educate the manager on what might be acceptable or "standard" sample error.

If we are using the formula for calculating the sample size for estimating a mean,the formula will contain:

The confidence interval approach to determining sample size applies the concepts of accuracy,variability,and confidence interval to create a "correct" sample size.

There is a separate sample size formula for estimating a percentage of the population than for estimating a mean of the population.

Sources of error that come from sources other than the sample selection method and sample size are referred to as:

A graph of the relationship between accuracy and size of the sample shows that accuracy increases dramatically up until sample sizes near 500.Thereafter,it takes much larger increases in sample size to gain increases in accuracy.

When determining sample size,the conventional approach would NOT be:

Which of the following is true regarding probability samples?

Which of the following samples have been determined by using the statistical analysis approach?

It is inappropriate to apply sample size formulae when an unknown bias is introduced by a subjective sampling method (i.e. ,nonprobability).

In a study of the U.S.workforce population,a research company interviews 5,000 persons on a street corner in New York.If they decide to increase the sample size to 10,000,they would:

Introduction to Marketing Research

The Marketing Research Industry

The Marketing Research Process Defining the Problem and Research Objectives

Research Design

Secondary Data Packaged Information

Utilizing Exploratory and Qualitative Research Techniques

Evaluating Survey Data Collection Methods

Understanding Measurement, developing Questions, and Designing the Questionnaire

Selecting the Sample

Dealing With Fieldwork and Data Quality

Using Basic Descriptive Analysis, performing Population Estimates, and Testing Hypotheses

Implementing Basic Differences Tests

Making Use of Associations Tests

Understanding Regression Analysis Basics

Writing the Research Report

Filters