Question: Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. A process that is considered to be in control

Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem.

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 1.64.

Samples

1

2

3

4

5

6

7

8

9

10

10

14

12

11

13

10

9

14

7

10

8

11

9

9

10

10

11

10

7

13

11

12

10

10

10

7

11

7

13

10

9

14

9

9

11

13

7

9

11

9

11

12

10

9

10

8

9

9

10

12

Part 2

a) Standard deviation of the sampling means = enter your response here in ounces (round your response to three decimal places).

Refer to Table S6.1 (below) - Factors for Computing Control Chart Limits (3 sigma) for this problem:

Sample

Size, n

Mean Factor,

A2

Upper Range,

D4

Lower Range,

D3

2

1.880

3.268

0

3

1.023

2.574

0

4

0.729

2.282

0

5

0.577

2.115

0

6

0.483

2.004

0

7

0.419

1.924

0.076

8

0.373

1.864

0.136

9

0.337

1.816

0.184

10

0.308

1.777

0.223

12

0.266

1.716

0.284

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