Question: A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n=5) taken.

A process that is considered to be in control measures an ingredient in ounces. Below are the last 10 samples (each of size n=5) taken.

The population process standard deviation, is 1.36.

Samples

1

2

3

4

5

6

7

8

9

10

10

9

13

10

12

10

10

13

8

10

9

9

9

10

10

10

11

10

8

12

10

11

10

11

9

8

10

8

12

9

9

11

10

10

11

12

8

10

12

8

12

10

9

10

10

9

9

8

9

12

If z = 3, what are the control limits for the mean chart?

What are the control limits for the range chart?

Is the process in control?

Please show all work. Thanks

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