Question Details

111.What is the standard deviation?

A. 1.183

B. 1.400

C. 4.00

D. 16.00

E. 1.96

Use the following to answer questions 112-114:

The values given below are snow depths measured as part of a study of satellite observations and water

resources (mean = 16).

19, 18, 12, 25, 22, 8, 8, 16

112.What is the range?

A. 39.14

B. 6.26

C. 17

D. 289

E. 18

113.What is the variance?

A. 39.14

B. 6.26

C. 17

D. 289

E. 18

Full file at https://fratstock.eu 114.What is the standard deviation?

A. 39.14

B. 6.26

C. 17

D. 289

E. 18

Use the following to answer questions 115-117:

In a hearing test, subjects estimate the loudness (in decibels) of sound, and the results are (mean = 70):

68, 67, 70, 71, 68, 75, 68, 62, 80, 73, 68

115.What is the range?

A. 18

B. 4.73

C. 22.40

D. 324

E. 6.76

116.What is the variance?

A. 18

B. 4.73

C. 22.40

D. 324

E. 6.76

117.What is the standard deviation?

A. 18

B. 4.73

C. 22.40

D. 324

E. 6.76

Use the following to answer questions 118-120:

The reaction time in seconds to a stop light for a group of adult men were found to be

0.74, 0.71, 0.41, 0.82, 0.74, 0.85, 0.99, 0.71, 0.57, 0.85, 0.57, 0.55 (mean = .709)

118.What is the range?

A. 0.026

B. 0.052

C. 0.580

D. 0.1613

E. 0.0007

119.What is the variance?

A. 0.026

B. 0.052

C. 0.580

D. 0.1613

E. 0.0007

120.What is the standard deviation?

A. 0.026

B. 0.052

C. 0.580

D. 0.1613

E. 0.0007

Use the following to answer questions 121-123:

In a rating of the satisfaction with their instructor, 13 students gave the following scores from a scale of 1

to 5 (mean = 3):

3, 2, 1, 1, 5, 5, 4, 3, 3, 2, 4, 3, 3