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

14

13

11

12

9

9

14

8

10

10

12

10

9

11

11

12

11

7

12

9

12

9

12

8

9

11

9

12

9

8

14

9

11

12

13

8

9

12

7

12

12

10

9

10

9

8

8

8

11

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

b) UCLx =

LCLx =

c) UCLr =

LCLr =

d) Based on the x bar chart, is one or more samples beyond the control limits?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related General Management Questions!