Question: 2. The following data represent samples that were taken on 10 separate days. Each day has a varying sample size and the number of defects

2. The following data represent samples that were taken on 10 separate days. Each day has a varying sample size and the number of defects for the items sampled is listed. We want to see if this process is consistent and in control.

Day

Sample Size

Defects

1

100

8

2

120

4

3

190

10

4

190

7

5

240

20

6

245

8

7

105

4

8

165

6

9

245

27

10

255

37

a. Find the UCL.

b. Find the LCL.

c. Is the process in control? Why/why not?

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