A paper mill uses a control chart to monitor the imperfection in finished rolls of paper. Production output is inspected for twenty days, and the resulting data are shown below. Use these data to set up a control chart to monitor the paper mill process. (a) What type of control chart would you recommend for this case ? (b) What center line and control limits would you recommend for controlling current production?

A paper mill uses a control chart to monitor the imperfection in finished rolls of paper. Production output is inspected for twenty days, and the resulting data are shown below. Use these data to set up a control chart to monitor the paper mill process. (a) What type of control chart would you recommend for this case ? (b) What center line and control limits would you recommend for controlling current production?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 31PPS

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Question

Problem 3.
A paper mill uses a control chart to monitor the imperfection in finished rolls of paper.
Production output is inspected for twenty days, and the resulting data are shown below.
Use these data to set up a control chart to monitor the paper mill process.
(a) What type of control chart would you recommend for this case ?
(b) What center line and control limits would you recommend for controlling current
production?

Data on Imperfections in Rolls of Paper
Total
Total
Number Number of
Number Number of
Imper-
Day Produced fections
of Rolls
of Rolls
Imper-
Day Produced fections
18
12
11
18
18
18
14
12
18
14
24
20
13
18
9.
22
18
14
20
10
22
15
15
20
14
22
12
16
20
13
7
20
11
17
24
16
8
20
15
18
24
18
9
20
12
19
22
20
10
20
10
20
21
17
123 +5

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