Question 1

The greater the number of subgroups to be analyzed,the smaller the necessary sample size.

Accepted Answer

A) True 
 B)False

Question 2

A researcher wants to know the average number of times per month respondents eat at fast food restaurants.The statistic that s/he is most interested in would be the_________.

Accepted Answer

A) variance 
B) mean 
C) standard deviation 
D) proportion 
A) variance 
B) mean 
C) standard deviation 
D) proportion

Question 3

Standard error of the mean is:

Accepted Answer

A) a measure of dispersion of a large population. 
B) a measure of dispersion of large sample. 
C) the standard deviation of a distribution of sample means. 
D) the error in the computation of population standard deviation. 
E) none of the above 
A) a measure of dispersion of a large population. 
B) a measure of dispersion of large sample. 
C) the standard deviation of a distribution of sample means. 
D) the error in the computation of population standard deviation. 
E) none of the above

Question 4

The _____________ includes all the possible individuals or objects from whom or about which information is needed to meet the objectives of the research.

Accepted Answer

A) Group 
B) Selection 
C) Population 
D) Range 
A) Group 
B) Selection 
C) Population 
D) Range

Question 5

1.	Which of the following is not a piece of required information in order to determine sample size?

Accepted Answer

A) 	estimated population standard deviation 
B) 	estimated population median 
C) 	acceptable level of  sampling error 
D) 	desired level of confidence 
E) 	All are necessary to determine sample size. 
A) 	estimated population standard deviation 
B) 	estimated population median 
C) 	acceptable level of  sampling error 
D) 	desired level of confidence 
E) 	All are necessary to determine sample size.

Question 6

All of the statistical methods for determining sample size in this chapter assume which of the following?

Accepted Answer

A) a large population 
B) a valid questionnaire 
C) simple random sampling 
D) stratified sampling 
E) none of the above 
A) a large population 
B) a valid questionnaire 
C) simple random sampling 
D) stratified sampling 
E) none of the above

Question 7

____________ is a range of values within which the true population value is estimated to fall.

Accepted Answer

A) Interval estimate 
B) Point estimate 
C) Population estimate 
D) Sample estimate 
E) none of the above 
A) Interval estimate 
B) Point estimate 
C) Population estimate 
D) Sample estimate 
E) none of the above

Question 8

Subgroups are often chosen based on demographics of the sample,such as gender,income,etc.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following statements about sample size is false?

Accepted Answer

A) There is no direct relationship between population size and the size of the sample required to estimate population parameters. 
B) The larger the sample variance,the larger the sample size that is required. 
C) The higher the level of confidence,the larger the sample size that is required. 
D) The larger the population,the larger the sample size that is required. 
E) All of the above statements are false. 
A) There is no direct relationship between population size and the size of the sample required to estimate population parameters. 
B) The larger the sample variance,the larger the sample size that is required. 
C) The higher the level of confidence,the larger the sample size that is required. 
D) The larger the population,the larger the sample size that is required. 
E) All of the above statements are false.

Question 10

Researchers can determine via statistical techniques sample size.However,these techniques can only be applied to which of the following types of sample?

Accepted Answer

A) cluster 
B) simple random 
C) nonprobability 
D) stratified 
E) none of the above 
A) cluster 
B) simple random 
C) nonprobability 
D) stratified 
E) none of the above

Question 11

Theoretically,the sampling distribution of the mean is always normally distributed.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is not a determinant of sample size for probability samples?

Accepted Answer

A) budget available 
B) research objectives 
C) rule of thumb 
D) none of the above 
A) budget available 
B) research objectives 
C) rule of thumb 
D) none of the above

Question 13

How many respondents should be in each important subgroup of a sample?

Accepted Answer

A) 10 
B) 25 
C) 50 
D) 100 
A) 10 
B) 25 
C) 50 
D) 100

Question 14

Some normal distributions cannot be transformed into standard normal distributions.

Accepted Answer

A) True 
 B)False

Question 15

If large enough samples are taken,most human behavior can be plotted using a normal distribution curve.

Accepted Answer

A) True 
 B)False

Question 16

The level of tolerable error (e)in the sample proportions formula is expressed in terms of a percent.

Accepted Answer

A) True 
 B)False

Question 17

A ____________ normal distribution is a normal distribution with a mean of zero
And a standard deviation of one.

Accepted Answer

A) Balanced 
B) Standard 
C) Stock 
D) Ordinary 
A) Balanced 
B) Standard 
C) Stock 
D) Ordinary

Question 18

A confidence interval always includes the true population value.

Accepted Answer

A) True 
 B)False

Question 19

Which of the following would increase the necessary sample size in a study?

Accepted Answer

A) smaller mean of the variables in question 
B) less need for precision 
C) need to divide sample into sub-groups 
D) larger population 
E) none of the above 
A) smaller mean of the variables in question 
B) less need for precision 
C) need to divide sample into sub-groups 
D) larger population 
E) none of the above

Question 20

Population size is the most important determinant of effective sample size.

Accepted Answer

A) True 
 B)False

Exam 14: A: Sample Size Determination

The greater the number of subgroups to be analyzed,the smaller the necessary sample size.

A researcher wants to know the average number of times per month respondents eat at fast food restaurants.The statistic that s/he is most interested in would be the_________.

Standard error of the mean is:

The _____________ includes all the possible individuals or objects from whom or about which information is needed to meet the objectives of the research.

1. Which of the following is not a piece of required information in order to determine sample size?

All of the statistical methods for determining sample size in this chapter assume which of the following?

____________ is a range of values within which the true population value is estimated to fall.

Subgroups are often chosen based on demographics of the sample,such as gender,income,etc.

Which of the following statements about sample size is false?

Researchers can determine via statistical techniques sample size.However,these techniques can only be applied to which of the following types of sample?

Theoretically,the sampling distribution of the mean is always normally distributed.

Which of the following is not a determinant of sample size for probability samples?

How many respondents should be in each important subgroup of a sample?

Some normal distributions cannot be transformed into standard normal distributions.

If large enough samples are taken,most human behavior can be plotted using a normal distribution curve.

The level of tolerable error (e)in the sample proportions formula is expressed in terms of a percent.

A ____________ normal distribution is a normal distribution with a mean of zero And a standard deviation of one.

A confidence interval always includes the true population value.

Which of the following would increase the necessary sample size in a study?

Population size is the most important determinant of effective sample size.

The Role of Marketing Research in Management Decision Making

A: The Role of Marketing Research in Management Decision Making

The Marketing Research Industry and Research Ethics

A: The Marketing Research Industry and Research Ethics

Problem Definition,exploratory Research,and the Research Process

A: Problem Definition and the Research Process

Secondary Data and Databases

A: Secondary Data and Databases

Qualitative Research

A: Qualitative Research

Traditional Survey Research

A: Traditional Survey Research

Online Marketing Research

A: Online Marketing Research

Primary Data Collection: Observation

A: Primary Data Collection: Observation

Primary Data Collection: Experimentation and Test Markets

A: Primary Data Collection: Experimentation and Test Markets

The Concept of Measurement

A: The Concept of Measurement

Using Measurement Scales to Build Marketing Effectiveness

A: Using Measurement Scales to Build Marketing Effectiveness

Questionnaire Design

A: Questionnaire Design

Basic Sampling Issues

A: Basic Sampling Issues

Sample Size Determination

Data Processing and Fundamental Data Analysis

A: Data Processing and Fundamental Data Analysis

Statistical Testing of Differences and Relationships

A: Statistical Testing of Differences and Relationships

Bivariate Correlation and Regression

A: Bivariate Correlation and Regression

Multivariate Data Analysis

A: Multivariate Data Analysis

Communicating the Research Results

A: Communicating the Research Results

Managing Marketing Research

A: Managing Marketing Research

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