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 =

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 1.20.

Samples

1

2

3

4

5

6

7

8

9

10

9

13

14

11

13

9

9

13

8

11

10

12

8

11

11

10

11

11

9

11

11

13

10

10

8

8

11

7

12

9

9

14

10

9

11

11

7

10

13

8

12

11

8

9

11

10

10

7

10

12

b) With z =3, the control limits for the mean chart are:

UCLx = __?__ ounces (round your response to three decimal places).

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