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

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 deviation 
A) IQV 
B) Interquartile range 
C) Variance 
D) 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. 
A) only ordinal variables. 
B) ordinal variables. 
C) only interval-ratio variables. 
D) interval-ratio variables.

Question 5

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. 
A) -1.00 to 0.00. 
B) 0.00 to 0.50. 
C) 0.00 to 1.00. 
D) -1.00 to 1.00.

Question 6

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) 24 
A) 1 
B) 5 
C) 17 
D) 24

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

Question 8

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...

Question 9

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 10

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

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

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

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

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

The index of qualitative variation can vary from

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

The range is a measure of variability for

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.

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

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

The What and the Why of Statistics

The Organization and Graphic Presentation of Data

Measures of Central Tendency

The Normal Distribution

Sampling and Sampling Distributions

Estimation

Testing Hypotheses

Bivariate Tables

The Chi-Square Test and Measures of Association

Analysis of Variance

Regression and Correlation

Filters

Exam 4: Measures of Variability

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

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

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

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

The index of qualitative variation can vary from

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

The range is a measure of variability for

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.

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

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

The What and the Why of Statistics

The Organization and Graphic Presentation of Data

Measures of Central Tendency

The Normal Distribution

Sampling and Sampling Distributions

Estimation

Testing Hypotheses

Bivariate Tables

The Chi-Square Test and Measures of Association

Analysis of Variance

Regression and Correlation

Filters