Question 1

Calculate the value of the variance for the following sub-sample: 3,13,-4,10,0,12,-1,-2,6,9,5,11

Accepted Answer

The answer of Calculate the value of the variance for...

Question 2

The variance is a measure of variation applicable only to ordinal variable.

Accepted Answer

A) True 
 B)False

Question 3

Calculate the value of the standard deviation for the following sub-sample: 24,27,35,31,21,22,28,18,25,24,36,20.

Accepted Answer

The answer of Calculate the value of the standard deviation...

Question 4

SELECT ALL THAT APPLY.
-The interquartile range is a measure of variability for

Accepted Answer

A)  only ordinal variables.
B)  ordinal variables.
C)  only interval-ratio variables.
D)  interval-ratio variables.E) A) and D)
F) B) and D)

Question 5

Which measure of variability is the average of the squared deviations from the mean and is used for interval-ratio variables?

Accepted Answer

A)  IQV
B)  Interquartile range
C)  Variance
D)  Standard deviationE) B) and D)
F) B) and C)

Question 6

The index of qualitative variation can vary from

Accepted Answer

A)  -1.00 to 0.00.
B)  0.00 to 0.50.
C)  0.00 to 1.00.
D)  -1.00 to 1.00.E) A) and D)
F) A) and C)

Question 7

The range is a measure of variability for

Accepted Answer

A)  only ordinal variables.
B)  ordinal variables.
C)  only interval-ratio variables.
D)  interval ratio variables.E) B) and C)
F) None of the above

Question 8

Consider the following hypothetical scores: 21,25,37,38,39,42,44,45.What is the value of the range?

Accepted Answer

A)  1
B)  5
C)  17
D)  24E) C) and D)
F) All of the above

Question 9

Suppose you are interested in examining the variability in current marital status by race.Which measure of variability would you use and why?

Accepted Answer

The IQV be...

Question 10

Construct a box plot based on the following data: 24,27,35,31,21,22,28,18,25,24,36,20.Be sure to show the following quantities in your box plot: the minimum score,the maximum score,the range,interquartile range,and the median.

Accepted Answer

The answer of Construct a box plot based on the...

Exam 4: Measures of Variability

The variance is a measure of variation applicable only to ordinal variable.

Correct Answer
verified

Calculate the value of the variance for the following sub-sample: 3,13,-4,10,0,12,-1,-2,6,9,5,11

Correct Answer
verified

Consider the following hypothetical scores: 21,25,37,38,39,42,44,45.What is the value of the range?

Correct Answer
verified

Construct a box plot based on the following data: 24,27,35,31,21,22,28,18,25,24,36,20.Be sure to show the following quantities in your box plot: the minimum score,the maximum score,the range,interquartile range,and the median.

Correct Answer
verified

SELECT ALL THAT APPLY. -The interquartile range is a measure of variability for

Correct Answer
verified

The range is a measure of variability for

Correct Answer
verified

The index of qualitative variation can vary from

Correct Answer
verified

Calculate the value of the standard deviation for the following sub-sample: 24,27,35,31,21,22,28,18,25,24,36,20.

Correct Answer
verified

Suppose you are interested in examining the variability in current marital status by race.Which measure of variability would you use and why?

Correct Answer
verified
The IQV be...
View Answer

Which measure of variability is the average of the squared deviations from the mean and is used for interval-ratio variables?

Correct Answer
verified

Exam 4: Measures of Variability

The variance is a measure of variation applicable only to ordinal variable.

Correct AnswerverifiedShow Answer

Calculate the value of the variance for the following sub-sample: 3,13,-4,10,0,12,-1,-2,6,9,5,11

Correct AnswerverifiedShow Answer

Consider the following hypothetical scores: 21,25,37,38,39,42,44,45.What is the value of the range?

Correct AnswerverifiedShow Answer

Construct a box plot based on the following data: 24,27,35,31,21,22,28,18,25,24,36,20.Be sure to show the following quantities in your box plot: the minimum score,the maximum score,the range,interquartile range,and the median.

Correct AnswerverifiedShow Answer

SELECT ALL THAT APPLY. -The interquartile range is a measure of variability for

Correct AnswerverifiedShow Answer

The range is a measure of variability for

Correct AnswerverifiedShow Answer

The index of qualitative variation can vary from

Correct AnswerverifiedShow Answer

Calculate the value of the standard deviation for the following sub-sample: 24,27,35,31,21,22,28,18,25,24,36,20.

Correct AnswerverifiedShow Answer

Suppose you are interested in examining the variability in current marital status by race.Which measure of variability would you use and why?

Correct AnswerverifiedThe IQV be...View AnswerShow Answer

Which measure of variability is the average of the squared deviations from the mean and is used for interval-ratio variables?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The IQV be...
View Answer

Correct Answer
verified