Question 1

A type I error is described as which of the following?

Accepted Answer

A) the error of saying that there is no difference when there is a difference 
B) the error of saying that there is a difference when there is not a difference 
C) the error of saying that two variables are the same 
D) the error of incorrect standard deviation 
E) none of these 
A) the error of saying that there is no difference when there is a difference 
B) the error of saying that there is a difference when there is not a difference 
C) the error of saying that two variables are the same 
D) the error of incorrect standard deviation 
E) none of these

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not required to determine sample size using the sample means formula?

Accepted Answer

A) the standard error of the mean 
B) desired level of confidence 
C) estimate of population standard deviation 
D) level of tolerable error 
E) all of these are required. 
A) the standard error of the mean 
B) desired level of confidence 
C) estimate of population standard deviation 
D) level of tolerable error 
E) all of these are required.

Question 4

Which of the following is not a method for estimating the population standard deviation?

Accepted Answer

A) prior study results 
B) conduct a pilot study 
C) use secondary data 
D) using population size 
A) prior study results 
B) conduct a pilot study 
C) use secondary data 
D) using population size

Question 5

The finite population correction factor (FPC)is an adjustment to the required sample size that is made in cases where the sample is expected to be equal to 5 percent or more of the total population.

Accepted Answer

A) True 
 B)False

Question 6

___________ sampling error is the amount of sampling error the researcher is willing to accept.

Accepted Answer

A) Given 
B) Projected 
C) Accepted 
D) Allowable 
E) Tolerable 
A) Given 
B) Projected 
C) Accepted 
D) Allowable 
E) Tolerable

Question 7

A researcher is conferring with a client to do a telephone interview for a particular topic,which the researcher will subcontract to a field services firm for $10 per usable response.The researcher's client wants to be 95.44% confident of the results.Assume the sample proportions formula is appropriate,and that the level of tolerable sample error is 4%.The budget for data collection only offered by the client can be up to but not over $10,000.How many usable responses are needed for the given level of confidence and much will the subcontractor charge the market researcher for sampling? Is the budget for data collection large enough?

Accepted Answer

1)Sample proportions formula is appropri

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

____________ 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) Universe estimate 
A) Interval estimate 
B) Point estimate 
C) Population estimate 
D) Sample estimate 
E) Universe estimate

Question 10

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

Question 11

A continuous distribution,which is bell-shaped and symmetric about the mean,is known as:

Accepted Answer

A) the normal distribution. 
B) the chi-square distribution. 
C) the F-distribution. 
D) the mean distribution. 
E) the binomial distribution. 
A) the normal distribution. 
B) the chi-square distribution. 
C) the F-distribution. 
D) the mean distribution. 
E) the binomial distribution.

Question 12

Some normal distributions cannot be transformed into standard normal distributions.

Accepted Answer

A) True 
 B)False

Question 13

Statistical power is the probability of not making which of the following types of error?

Accepted Answer

A) Type I 
B) Type II 
C) Type III 
D) Type A 
E) Type B 
A) Type I 
B) Type II 
C) Type III 
D) Type A 
E) Type B

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is not a measure of central tendency?

Accepted Answer

A) variance 
B) mean 
C) median 
D) mode 
A) variance 
B) mean 
C) median 
D) mode

Question 16

Discuss and give examples of three methods that are used in marketing research for determining sample size.

Accepted Answer

The first method is the budget available

Question 17

Compute the required sample size given the required confidence in the sample results is 90%.The level of tolerable sampling error is 1% and the estimated population standard deviation is 5.

Accepted Answer

The required sample size given

Question 18

A researcher wants to estimate the percentage of all adults that have used the Internet to seek pre-purchase information in the past 30 days,with a tolerable sampling error (E)of 0.03 and a confidence level of 97.5%.If secondary data indicated that 25% of all adults had used the Internet for such a purpose,what is the sample size?

Accepted Answer

1)at 97.5% confidence,Z = 2.24

Question 19

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 these 
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 these

Question 20

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

Accepted Answer

A) True 
 B)False

A type I error is described as which of the following?

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

Which of the following is not required to determine sample size using the sample means formula?

Which of the following is not a method for estimating the population standard deviation?

The finite population correction factor (FPC)is an adjustment to the required sample size that is made in cases where the sample is expected to be equal to 5 percent or more of the total population.

___________ sampling error is the amount of sampling error the researcher is willing to accept.

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

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

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

A continuous distribution,which is bell-shaped and symmetric about the mean,is known as:

Some normal distributions cannot be transformed into standard normal distributions.

Statistical power is the probability of not making which of the following types of error?

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

Which of the following is not a measure of central tendency?

Discuss and give examples of three methods that are used in marketing research for determining sample size.

Compute the required sample size given the required confidence in the sample results is 90%.The level of tolerable sampling error is 1% and the estimated population standard deviation is 5.

Standard error of the mean is:

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

The Role of Marketing Research in Management Decision Making

The Marketing Research Industry and Research Ethics

Problem Definition and the Research Process

Secondary Data and Databases

Qualitative Research

Traditional Survey Research

Online Marketing Research-The Growth of Mobile and Social Media Research

Primary Data Collection: Observation

Primary Data Collection: Experimentation and Test Markets

The Concept of Measurement

Using Measurement Scales to Build Marketing Effectiveness

Questionnaire Design

Basic Sampling Issues

Data Processing and Fundamental Data Analysis

Statistical Testing of Differences and Relationships

Bivariate Correlation and Regression

Multivariate Data Analysis

Communicating the Research Results

Managing Marketing Research

Filters

Exam 14: Sample Size Determination

A type I error is described as which of the following?

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

Which of the following is not required to determine sample size using the sample means formula?

Which of the following is not a method for estimating the population standard deviation?

The finite population correction factor (FPC)is an adjustment to the required sample size that is made in cases where the sample is expected to be equal to 5 percent or more of the total population.

___________ sampling error is the amount of sampling error the researcher is willing to accept.

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

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

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

A continuous distribution,which is bell-shaped and symmetric about the mean,is known as:

Some normal distributions cannot be transformed into standard normal distributions.

Statistical power is the probability of not making which of the following types of error?

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

Which of the following is not a measure of central tendency?

Discuss and give examples of three methods that are used in marketing research for determining sample size.

Compute the required sample size given the required confidence in the sample results is 90%.The level of tolerable sampling error is 1% and the estimated population standard deviation is 5.

Standard error of the mean is:

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

The Role of Marketing Research in Management Decision Making

The Marketing Research Industry and Research Ethics

Problem Definition and the Research Process

Secondary Data and Databases

Qualitative Research

Traditional Survey Research

Online Marketing Research-The Growth of Mobile and Social Media Research

Primary Data Collection: Observation

Primary Data Collection: Experimentation and Test Markets

The Concept of Measurement

Using Measurement Scales to Build Marketing Effectiveness

Questionnaire Design

Basic Sampling Issues

Data Processing and Fundamental Data Analysis

Statistical Testing of Differences and Relationships

Bivariate Correlation and Regression

Multivariate Data Analysis

Communicating the Research Results

Managing Marketing Research

Filters