A process that produces titanium forgings for automobile turbocharger wheels is to be controlled through use of a fraction nonconforming chart. Initially, one sample of size 150 is taken each day for twenty days, and the results shown in the table below are observed. (a) Establish a control chart to monitor future production. (b) What is the smallest sample size that could be used for this process and still give a positive lower control limit on the chart? Nonconforming Unit Data Nonconforming Nonconforming Day Units Day Units 1 3242521205 1234567 8 9 10 3 11 12 13 14 15 16 17 18 19 20 2413601232
A process that produces titanium forgings for automobile turbocharger wheels is to be controlled through use of a fraction nonconforming chart. Initially, one sample of size 150 is taken each day for twenty days, and the results shown in the table below are observed. (a) Establish a control chart to monitor future production. (b) What is the smallest sample size that could be used for this process and still give a positive lower control limit on the chart? Nonconforming Unit Data Nonconforming Nonconforming Day Units Day Units 1 3242521205 1234567 8 9 10 3 11 12 13 14 15 16 17 18 19 20 2413601232
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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Transcribed Image Text:A process that produces titanium forgings for automobile turbocharger wheels is to be
controlled through use of a fraction nonconforming chart. Initially, one sample of size 150 is
taken each day for twenty days, and the results shown in the table below are observed.
(a) Establish a control chart to monitor future production.
(b) What is the smallest sample size that could be used for this process and still give a
positive lower control limit on the chart?
Nonconforming Unit Data
Nonconforming
Nonconforming
Day
Units
Day
Units
1
3242521205
1234567
8
9
10
3
11
12
13
14
15
16
17
18
19
20
2413601232
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