1 pt

3.

In the data set 78, 80, 90, 90, 92, 92, 94, the mean is

A

78

B

88

C

90

D

29

1 pt

7.

In the data set 121, 125, 139, 154, 176, the range is

A

143

B

139

C

176

D

55

1pt

12.

Give the mean of the following set of numbers: 63, 25, 82, 17, 55.