Maurice Tutor

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Category > Management Posted 15 Jun 2017 My Price 12.00

controlling the weight of a box of cereal

As a quality analyst you are also responsible for controlling the weight of a box of cereal. The Operations Manager asks you to identify the ways in which statistical quality control methods can be applied to the weights of the boxes. Provide your recommendations to the Operations Manager in a two-three page report.By using the following data a create Xbar and R charts.

 

Note: The following consists of 12 sets of three box weights in ounces

  

N

#1

#2

#3

StdDev

Xbar

1

6.3

6.28

6.26

0.02

6.28

2

6.32

6.32

6.33

0.005773503

6.32333333

3

6.29

6.33

6.36

0.035118846

6.32666667

4

6.3

6.29

6.34

0.026457513

6.31

5

6.295

6.315

6.39

0.050083264

6.33333333

6

6.292

6.319

6.33

0.019553346

6.31366667

7

6.289

6.323

6.4

0.0568712

6.33733333

8

6.286

6.327

6.471

0.097161378

6.36133333

9

6.283

6.331

6.498

0.112855365

6.37066667

10

6.28

6.335

6.525

0.128549601

6.38

11

6.277

6.339

6.39

0.056589163

6.33533333

12

6.274

6.343

6.4

0.063095166

6.339

 

Your report should indicate the following along with valid justifications of your answers:

  1. The control limits of the weights of the boxes.
  2. Nonrandom patterns or trends, if any.
  3. If the process is in control.
  4. The appropriate action if the process is not in control.

Answers

Maurice Tutor
(5)
Status NEW Posted 15 Jun 2017 06:06 AM My Price 12.00

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