Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are Question Viewer ed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the following numbers of leaking tubes are found: Sample 1 Tubes Sample Tubes Sample Tubes 7 8 8 15 6 836 23456 9 6 16 10 17 11 0 18 4 12 6 19 7 13 1 14 2 6 20 Total 2240-60 86 7 Calculate p-chart three signal limits to assess whether the capping process is in statistical control. The UCLp equals and the LCLp equals (Enter your responses rounded to three decimal places. If your answer for LCLp is negative, enter this value as 0.)
Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are Question Viewer ed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the following numbers of leaking tubes are found: Sample 1 Tubes Sample Tubes Sample Tubes 7 8 8 15 6 836 23456 9 6 16 10 17 11 0 18 4 12 6 19 7 13 1 14 2 6 20 Total 2240-60 86 7 Calculate p-chart three signal limits to assess whether the capping process is in statistical control. The UCLp equals and the LCLp equals (Enter your responses rounded to three decimal places. If your answer for LCLp is negative, enter this value as 0.)
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
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Transcribed Image Text:Management at Webster Chemical Company is concerned as to whether caulking tubes are being properly capped. If a significant proportion of the tubes are
Question Viewer ed, Webster is placing its customers in a messy situation. Tubes are packaged in large boxes of 144. Several boxes are inspected, and the
following numbers of leaking tubes are found:
Sample
1
Tubes
Sample
Tubes
Sample
Tubes
7
8
8
15
6
836
23456
9
6
16
10
17
11
0
18
4
12
6
19
7
13
1
14
2
6
20
Total
2240-60
86
7
Calculate p-chart three signal limits to assess whether the capping process is in statistical control.
The UCLp equals and the LCLp equals (Enter your responses rounded to three decimal places. If your answer for LCLp is negative, enter this value
as 0.)
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