Reference no: EM1316959
Q1) In how many ways can group of nine students be chosen from 10 students?
a) 10 ways
b) 1 way
c) 90 ways
d) 9 ways
Q2) This table gives three measurements of 10 samples made in a production run. Use statistical process control method to solve problem.
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sample number measurements
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|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
|
3
|
2
|
-3
|
-2
|
-1
|
0
|
3
|
-1
|
2
|
0
|
|
-1
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-2
|
1
|
0
|
2
|
2
|
2
|
1
|
3
|
0
|
|
4
|
1
|
2
|
1
|
4
|
2
|
3
|
2
|
2
|
2
|
Determine the mean of sample measurements 7, 8, 9, and 10. 6) _______
a) 7: 3, 8: 2/3, 9: 7/3, 10: 2/3
b) 7: 7/3, 8: 2/3, 9: 8/3, 10: 2/3
c) 7: 8/3, 8: 1/3, 9: 7/3, 10: 2/3
d) 7: 8/3, 8: 2/3, 9: 7/3, 10: 2/3