installation data processing center. You wonder how accurate your keypunchers are. A sample

of the work done by the keypunch section indicates the following number of errors per hundred

cards punched: 2, 5, 9, 3, 5, 6, 2, 6, 5, 7. Note: Space to work the problems is provided at the

end of this exercise.

Refer to SITUATION II to answer questions 6 through 10.

6.

What is the MEAN of your sample?

A.

5.

B.

6.56

C.

50.

D.

4.55

7.

What is the MODE of your sample?

A.

6.

B.

5.

C.

5 and 6; it is bimodal.

D.

There is no mode.

8.

What is the MEDIAN of your sample?

A.

4.

B.

5.

C.

6.

D.

7.

9.

What is the RANGE of your sample?

A.

4.

B.

5.

C.

6.

D.

7.

10. What is the STANDARD DEVIATION of your sample?

A.

4.40

B.

4.89

C.

2.10

D.

2.21

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