Question

14 The following are response times for customer service. Requirements are 0 to 14. Annual volume is 500,000. A defect costs $10. Use the table below to comment on the process. The pattern of variation for the averages is random. Sample 1 2 3 4 Average Range 7-May 2 4 3 2 2.75 2 8-May 3 4 3 4 3.50 1 9-May 5 4 5 5 4.75 1 10-May 5 5 6 7 5.75 2 11-May 6 5 7 6 6.00 2 12-May 5 6 7 7 6.25 2 13-May 7 7 5 6 6.25 2 14-May 6 7 5 9 6.75 4 15-May 5 6 7 8 6.75 2 16-May 8 6 7 7 7.00 2 17-May 5 6 7 9 7.00 3 18-May 9 7 8 6 7.50 3 19-May 7 10 7 9 8.25 3 20-May 8 7 8 11 8.50 4 21-May 10 7 8 11 9.00 4 22-May 12 8 9 9 9.50 4 23-May 10 12 10 9 10.25 3 24-May 7 12 10 9 9.50 5 Average: 7.0 2.72 True False Review Later

          14
The following are response times for customer service. Requirements are 0 to 14. Annual volume is
500,000. A defect costs $10. Use the table below to comment on the process. The pattern of
variation for the averages is random.
Sample
1
2
3
4
Average
Range
7-May
2
4
3
2
2.75
2
8-May
3
4
3
4
3.50
1
9-May
5
4
5
5
4.75
1
10-May
5
5
6
7
5.75
2
11-May
6
5
7
6
6.00
2
12-May
5
6
7
7
6.25
2
13-May
7
7
5
6
6.25
2
14-May
6
7
5
9
6.75
4
15-May
5
6
7
8
6.75
2
16-May
8
6
7
7
7.00
2
17-May
5
6
7
9
7.00
3
18-May
9
7
8
6
7.50
3
19-May
7
10
7
9
8.25
3
20-May
8
7
8
11
8.50
4
21-May
10
7
8
11
9.00
4
22-May
12
8
9
9
9.50
4
23-May
10
12
10
9
10.25
3
24-May
7
12
10
9
9.50
5
Average:
7.0
2.72
True
False
Review Later

14
The following are response times for customer service. Requirements are 0 to 14. Annual volume is
500,000. A defect costs 10. Use the table below to comment on the process. The pattern of
variation for the averages is random.
Sample
1
2
3
4
Average
Range
7-May
2
4
3
2
2.75
2
8-May
3
4
3
4
3.50
1
9-May
5
4
5
5
4.75
1
10-May
5
5
6
7
5.75
2
11-May
6
5
7
6
6.00
2
12-May
5
6
7
7
6.25
2
13-May
7
7
5
6
6.25
2
14-May
6
7
5
9
6.75
4
15-May
5
6
7
8
6.75
2
16-May
8
6
7
7
7.00
2
17-May
5
6
7
9
7.00
3
18-May
9
7
8
6
7.50
3
19-May
7
10
7
9
8.25
3
20-May
8
7
8
11
8.50
4
21-May
10
7
8
11
9.00
4
22-May
12
8
9
9
9.50
4
23-May
10
12
10
9
10.25
3
24-May
7
12
10
9
9.50
5
Average:
7.0
2.72
True
False
Review Later

Added by Samuel D.

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