Question 1

In a short essay,discuss measures of variability as they are associated with frequencies.Include a discussion of range,variance,and standard deviation.

Accepted Answer

The measures of variability are statisti...

Question 2

The value of the test statistic that divides the rejection and nonrejection regions is called the critical value.

Accepted Answer

A) True 
 B)False

Question 3

In a frequency distribution,two variables are considered at a time.

Accepted Answer

A) True 
 B)False  False

Question 4

A test of the null hypothesis where the alternative hypothesis is not expressed directionally is called a one-tailed test.

Accepted Answer

A) True 
 B)False

Question 5

The difference between the smallest and largest values of a distribution is called the variance.

Accepted Answer

A) True 
 B)False

Question 6

A statistic that indicates the distribution's dispersion is called measures of variability.

Accepted Answer

A) True 
 B)False

Question 7

________ occurs when the sample results lead to nonrejection of a null hypothesis that is in fact false.

Accepted Answer

A)   Type I error
B)   Type II error
C)   Type III error
D)   Type IV error
E)   Power of a testF) A) and E)
G) B) and D)

Question 8

If the distribution is asymmetric and the variable is measured on a nominal scale,the ________ should be used as a measure of location.

Accepted Answer

A)   mean
B)   mode
C)   median
D)   maxima
E)   trendF) None of the above
G) C) and D) B

Question 9

According to the text,accepting the alternative hypothesis will lead to changes in opinions or actions.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is NOT a statistic that is associated with the measures of location of frequency distribution?

Accepted Answer

A)   mean
B)   mode
C)   median
D)   maxima
E)   C and DF) C) and D)
G) A) and E)

Question 11

________ is the square root of the variance and is expressed in the same units as the data.

Accepted Answer

A)   Range
B)   Standard error
C)   Standard deviation
D)   Mean
E)   Statistical significanceF) A) and E)
G) A) and D)

Question 12

A frequency distribution for a variable produces ________.

Accepted Answer

A)   a table of frequency counts
B)   percentages
C)   cumulative percentages
D)   A and B
E)   A, B, and CF) D) and E)
G) A) and D)

Question 13

According to the text,which of the following represents the highest peak of the distribution?

Accepted Answer

A)   mode
B)   mean
C)   median
D)   maxima
E)   crestF) C) and D)
G) None of the above

Question 14

The power of a test is the probability of accepting the null hypothesis when it is in fact true and should be accepted.

Accepted Answer

A) True 
 B)False

Question 15

The ________ is a good measure of location when the variable is inherently categorical or has otherwise been grouped into categories.

Accepted Answer

A)   mean
B)   median
C)   maxima
D)   mode
E)   categorical listingF) C) and D)
G) B) and D) D

Question 16

The mean,mode,and median are associated with the measures of location of frequency distribution.

Accepted Answer

A) True 
 B)False

Question 17

Many marketing research projects do not go beyond basic data analysis.

Accepted Answer

A) True 
 B)False

Question 18

The null hypothesis is always the hypothesis that is tested,but can never be accepted based on a single test.

Accepted Answer

A) True 
 B)False

Question 19

If the distribution is asymmetric,which measure of location is most appropriate if the data is in a nominal scale? If it is in an ordinal scale? If it is in an interval or ratio scale?

Accepted Answer

A)   mode, mode, median
B)   median, median, median
C)   median, mean, mode
D)   mean, mode, median
E)   mode, median, meanF) A) and E)
G) D) and E)

Question 20

In a short essay,define cross-tabulation and discuss the three primary reasons cross-tabulation is widely used in commercial marketing research.

Accepted Answer

Cross-tabulation is a statistical techni...

Exam 16: Frequency Distribution,hypothesis Testing,and Cross-Tabulation

In a short essay,discuss measures of variability as they are associated with frequencies.Include a discussion of range,variance,and standard deviation.

Correct AnswerverifiedThe measures of variability are statisti...View AnswerShow Answer

The value of the test statistic that divides the rejection and nonrejection regions is called the critical value.

Correct AnswerverifiedShow Answer

In a frequency distribution,two variables are considered at a time.

Correct AnswerverifiedFalse

A test of the null hypothesis where the alternative hypothesis is not expressed directionally is called a one-tailed test.

Correct AnswerverifiedShow Answer

The difference between the smallest and largest values of a distribution is called the variance.

Correct AnswerverifiedShow Answer

A statistic that indicates the distribution's dispersion is called measures of variability.

Correct AnswerverifiedShow Answer

________ occurs when the sample results lead to nonrejection of a null hypothesis that is in fact false.

Correct AnswerverifiedShow Answer

If the distribution is asymmetric and the variable is measured on a nominal scale,the ________ should be used as a measure of location.

Correct AnswerverifiedB

According to the text,accepting the alternative hypothesis will lead to changes in opinions or actions.

Correct AnswerverifiedShow Answer

Which of the following is NOT a statistic that is associated with the measures of location of frequency distribution?

Correct AnswerverifiedShow Answer

________ is the square root of the variance and is expressed in the same units as the data.

Correct AnswerverifiedShow Answer

A frequency distribution for a variable produces ________.

Correct AnswerverifiedShow Answer

According to the text,which of the following represents the highest peak of the distribution?

Correct AnswerverifiedShow Answer

The power of a test is the probability of accepting the null hypothesis when it is in fact true and should be accepted.

Correct AnswerverifiedShow Answer

The ________ is a good measure of location when the variable is inherently categorical or has otherwise been grouped into categories.

Correct AnswerverifiedD

The mean,mode,and median are associated with the measures of location of frequency distribution.

Correct AnswerverifiedShow Answer

Many marketing research projects do not go beyond basic data analysis.

Correct AnswerverifiedShow Answer

The null hypothesis is always the hypothesis that is tested,but can never be accepted based on a single test.

Correct AnswerverifiedShow Answer

If the distribution is asymmetric,which measure of location is most appropriate if the data is in a nominal scale? If it is in an ordinal scale? If it is in an interval or ratio scale?

Correct AnswerverifiedShow Answer

In a short essay,define cross-tabulation and discuss the three primary reasons cross-tabulation is widely used in commercial marketing research.

Correct AnswerverifiedCross-tabulation is a statistical techni...View AnswerShow Answer

Correct Answer
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False

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B

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D

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Cross-tabulation is a statistical techni...
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