Question Details

71. What is the mean?

A. 70

B. 75

C. 68

D. 71

E. 80

72. What is the median?

A. 70

B. 75

C. 68

D. 71

E. 80

73. What is the mode?

A. 70

B. 75

C. 68

D. 71

E. 80

Use the following to answer questions 74-76:

The reaction time is seconds to a stop light of 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

74. What is the mean?

A. 0.709

B. 0.710

C. 0.920

D. 0.725

E. 0.550

75. What is the median?

A. 0.709

B. 0.710

C. 0.920

D. 0.725

E. 0.550

76. What is the mode?

A. 0.709

B. 0.710

C. 0.920

D. 0.725

E. 0.550

Use the following to answer questions 77-79:

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

to 5:

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

77. What is the mean?

A. 3

B. 5

C. 2

D. 4

E. 3.25

78. What is the median?

A. 3

B. 5

C. 2

D. 4

E. 3.25

79. What is the mode?

A. 3

B. 5

C. 2

D. 4

E. 3.25

Use the following to answer questions 80-82:

The company financial officer was interested in the average cost of PCs that had been purchased in the

past six months. A random sample of the price of 10 computers was taken with the following results:

$3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120, $3,009, $4,000

80. What is the mean?

A. 3447

B. 3213

C. 3250

D. 6120

E. 3445