A manufacturing company wants to develop control charts to measure the quality of its steel plate. They...

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A manufacturing companywants to develop control charts to measure the quality of its steelplate. They take ten sheets of 1" steel plate and compute thenumber of cosmetic flaws on each roll. Each sheet is 20' by 100'.Based on the following data.

Sheet

1

2

3

4

5

6

7

8

9

10

# offlaws

1

1

2

0

1

5

0

2

0

2

a. Compute the lower control(LCL) limit

b. Compute the upper control(UCL) limit

c. Is the process undercontrol ?

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Question A manufacturing company wants to develop control charts to measure the quality of its steel plate They take ten sheets of 1 steel plate and compute the number of cosmetic    See Answer
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