Question 1

What is the sum of squared scores   for this set of data? 14, 11, 7, 16

Accepted Answer

A)  48.00 
B)  12.00 
C)  304.00 
D)  622.00 
A)  48.00 
B)  12.00 
C)  304.00 
D)  622.00

Question 2

What is the sum of squared scores   for this set of data? 21, 16, 25, 22

Accepted Answer

A)  84.00 
B)  1806.00 
C)  7056.00 
D)  21.00 
A)  84.00 
B)  1806.00 
C)  7056.00 
D)  21.00

Question 3

What is the range for this set of data? 11, 6, 5, 7, 13, 12

Accepted Answer

A)  1 
B)  8 
C)  6 
D)  9 
A)  1 
B)  8 
C)  6 
D)  9

Question 4

What is the range for this set of data? .28, .31, .54, .72, .61, .48

Accepted Answer

A)  .20 
B)  .44 
C)  .63 
D)  .49 
A)  .20 
B)  .44 
C)  .63 
D)  .49

Question 5

You would calculate the population standard deviation (σ) for a collected set of data when ______.

Accepted Answer

A)  your sample is larger than the population 
B)  you want to test hypotheses about populations 
C)  you have collected data from the entire population 
D)  the mood hits you 
A)  your sample is larger than the population 
B)  you want to test hypotheses about populations 
C)  you have collected data from the entire population 
D)  the mood hits you

Question 6

If the range is the same for two sets of data, the variability for both sets of data is also the same.

Accepted Answer

A) True 
 B)False

Question 7

What is the standard deviation (s) for this set of data? 4.41, 6.13, 5.72, 6.09, 4.13, 5.24

Accepted Answer

A)  .85 
B)  5.29 
C)  .73 
D)  .78 
A)  .85 
B)  5.29 
C)  .73 
D)  .78

Question 8

A strength of the range is that it is easy and quick to compute, particularly if the sample is small or if computer software is used to sort the scores.

Accepted Answer

A) True 
 B)False

Question 9

What is the interquartile range for this set of data? 13, 7, 15, 6, 28, 3, 23, 17

Accepted Answer

A)  4 
B)  10 
C)  14 
D)  25 
A)  4 
B)  10 
C)  14 
D)  25

Question 10

What is the variance (s2) for this set of data? 2, 5, 7, 10

Accepted Answer

A)  3.37 
B)  6.00 
C)  8.50 
D)  11.33 
A)  3.37 
B)  6.00 
C)  8.50 
D)  11.33

Question 11

What is the population standard deviation (σ) for this set of data? 42, 50, 45, 37

Accepted Answer

A)  5.45 
B)  43.50 
C)  22.25 
D)  4.72 
A)  5.45 
B)  43.50 
C)  22.25 
D)  4.72

Question 12

What is the range for this set of data? 5, 7, 10, 12, 6, 8

Accepted Answer

A)  3 
B)  7 
C)  11 
D)  8 
A)  3 
B)  7 
C)  11 
D)  8

Question 13

What is the range of the following set of data? 2, 15, 7, 9, 21, 14, 19, 13

Accepted Answer

A)  8 
B)  12 
C)  19 
D)  21 
A)  8 
B)  12 
C)  19 
D)  21

Question 14

For this set of data,   is equal to ______. 104, 116, 95, 121, 87

Accepted Answer

A)  3081027049 
B)  523 
C)  55507 
D)  273529 
A)  3081027049 
B)  523 
C)  55507 
D)  273529

Question 15

For this set of data,   is equal to ______. 85, 101, 280, 580, 880

Accepted Answer

A)  3709476.00 
B)  385.20 
C)  1926.00 
D)  1206626.00 
A)  3709476.00 
B)  385.20 
C)  1926.00 
D)  1206626.00

Question 16

Which of the following can be a negative number?

Accepted Answer

A)  the sum of squared deviations (SS) 
B)  the mean 
C)  the standard deviation (s) 
D)  the variance (s2) 
A)  the sum of squared deviations (SS) 
B)  the mean 
C)  the standard deviation (s) 
D)  the variance (s2)

Question 17

What is the sum of squared scores   for this set of data? 2, 4, 5, 7

Accepted Answer

A)  18.00 
B)  94.00 
C)  324.00 
D)  4.50 
A)  18.00 
B)  94.00 
C)  324.00 
D)  4.50

Question 18

The ______ measures the ______ of a distribution of scores for a variable.

Accepted Answer

A)  mean; variability 
B)  standard deviation; variability 
C)  range; modality 
D)  variance; symmetry 
A)  mean; variability 
B)  standard deviation; variability 
C)  range; modality 
D)  variance; symmetry

Question 19

What is the variance (s2) for this set of data? 7, 11, 15

Accepted Answer

A)  11.00 
B)  4.00 
C)  16.00 
D)  10.67 
A)  11.00 
B)  4.00 
C)  16.00 
D)  10.67

Question 20

Which of the following is true about the interquartile range?

Accepted Answer

A)  It is the highest score minus the lowest score in a set of data. 
B)  It is based on all of the scores in the set of data. 
C)  It is calculated by removing the highest and lowest 25% of scores. 
D)  It includes all of the scores except the highest 25% of scores. 
A)  It is the highest score minus the lowest score in a set of data. 
B)  It is based on all of the scores in the set of data. 
C)  It is calculated by removing the highest and lowest 25% of scores. 
D)  It includes all of the scores except the highest 25% of scores.

What is the sum of squared scores for this set of data? 14, 11, 7, 16

What is the sum of squared scores for this set of data? 21, 16, 25, 22

What is the range for this set of data? 11, 6, 5, 7, 13, 12

What is the range for this set of data? .28, .31, .54, .72, .61, .48

You would calculate the population standard deviation (σ) for a collected set of data when ______.

If the range is the same for two sets of data, the variability for both sets of data is also the same.

What is the standard deviation (s) for this set of data? 4.41, 6.13, 5.72, 6.09, 4.13, 5.24

A strength of the range is that it is easy and quick to compute, particularly if the sample is small or if computer software is used to sort the scores.

What is the interquartile range for this set of data? 13, 7, 15, 6, 28, 3, 23, 17

What is the variance (s²) for this set of data? 2, 5, 7, 10

What is the population standard deviation (σ) for this set of data? 42, 50, 45, 37

What is the range for this set of data? 5, 7, 10, 12, 6, 8

What is the range of the following set of data? 2, 15, 7, 9, 21, 14, 19, 13

For this set of data, is equal to ______. 104, 116, 95, 121, 87

For this set of data, is equal to ______. 85, 101, 280, 580, 880

Which of the following can be a negative number?

What is the sum of squared scores for this set of data? 2, 4, 5, 7

The measures the of a distribution of scores for a variable.

What is the variance (s²) for this set of data? 7, 11, 15

Which of the following is true about the interquartile range?

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

Exam 4: Measures of Variability

What is the sum of squared scores for this set of data? 14, 11, 7, 16

What is the sum of squared scores for this set of data? 21, 16, 25, 22

What is the range for this set of data? 11, 6, 5, 7, 13, 12

What is the range for this set of data? .28, .31, .54, .72, .61, .48

You would calculate the population standard deviation (σ) for a collected set of data when ______.

If the range is the same for two sets of data, the variability for both sets of data is also the same.

What is the standard deviation (s) for this set of data? 4.41, 6.13, 5.72, 6.09, 4.13, 5.24

A strength of the range is that it is easy and quick to compute, particularly if the sample is small or if computer software is used to sort the scores.

What is the interquartile range for this set of data? 13, 7, 15, 6, 28, 3, 23, 17

What is the variance (s2) for this set of data? 2, 5, 7, 10

What is the population standard deviation (σ) for this set of data? 42, 50, 45, 37

What is the range for this set of data? 5, 7, 10, 12, 6, 8

What is the range of the following set of data? 2, 15, 7, 9, 21, 14, 19, 13

For this set of data, is equal to ______. 104, 116, 95, 121, 87

For this set of data, is equal to ______. 85, 101, 280, 580, 880

Which of the following can be a negative number?

What is the sum of squared scores for this set of data? 2, 4, 5, 7

The ______ measures the ______ of a distribution of scores for a variable.

What is the variance (s2) for this set of data? 7, 11, 15

Which of the following is true about the interquartile range?

Introduction to Statistics

Examining Data: Tables and Figures

Measures of Central Tendency

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

What is the variance (s²) for this set of data? 2, 5, 7, 10

The measures the of a distribution of scores for a variable.

What is the variance (s²) for this set of data? 7, 11, 15