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...

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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. Using the data provided in theDoc Sharingarea labeled M4A2Data, create Xbar and R charts.


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.



Answered Same DayDec 21, 2021

Answer To: As a quality analyst you are also responsible for controlling the weight of a box of cereal. The...

David answered on Dec 21 2021
118 Votes
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. Using the data provided in
theDoc Sharingarea labeled M4A2Data, create Xbar and R charts.
Your report should indicate the following along with valid justifications of your answers:
a. The control limits of the weights of the boxes.
b. Nonrandom patterns or trends, if any.
c. If the process is in control.
d. The appropriate action if the process is not in control.

From Doc Sharing M4A2
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 6.323333333
3 6.29 6.33 6.36 0.035118846 6.326666667
4 6.3 6.29 6.34 0.026457513 6.31
5 6.295 6.315 6.39 0.050083264 6.333333333
6 6.292 6.319 6.33 0.019553346 6.313666667
7 6.289 6.323 6.4 0.0568712 6.337333333
8 6.286 6.327 6.471 0.097161378 6.361333333
9 6.283 6.331...
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