SITUATION II: You are in charge of 28 keypunchers in the data conversion branch of the
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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