(Solution) 11 Twelve Samples, Each Containing Five Parts, Were Taken From A Process That Produces Steel Rods. The Length Of Each Rod In The Samples Was... | Snapessays.com


(Solution) 11 Twelve samples, each containing five parts, were taken from a process that produces steel rods. The length of each rod in the samples was...


Please answer in detail all questions and put into excel. ThanksS6.11 Twelve samples, each containing fve parts, were taken

 

From a process that produces steel rods. The length oF each rod in

 

the samples was determined. The results were tabulated and sample

 

means and ranges were computed. The results were:

 

SSampleAMPLE SAMPLE MEAN (in.) RANGE (in.)

 

Sample

 

Sample Mean(in)

 

Range(in.)

 

1

 

10.002

 

0.011

 

2

 

10.002

 

0.014

 

3

 

9.991

 

0.007

 

4

 

10.006

 

0.022

 

5

 

9.997

 

0.013

 

6

 

9.999

 

0.012

 

7

 

10.001

 

0.008

 

8

 

10.005

 

0.013

 

9

 

9.995

 

0.004

 

10

 

10.001

 

0.011

 

11

 

10.001

 

0.014

 

12

 

10.006

 

0.009

 

a) Determine the upper and lower control limits and the overall

 

means For x-charts and R-charts.

 

b) Draw the charts and plot the values oF the sample means and

 

ranges.

 

c) Do the data indicate a process that is in control?

 

d) Why or why not?

 


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This question was answered on: May 23, 2022

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