Math Solutions

(See) Ten samples of size four were taken from a process, and their weights measured. The sample averages and sample ranges are in the following table.

Question:

Ten samples of size four were taken from a process, and their weights measured. The sample averages and sample ranges are in the following table.

  1. Construct and plot appropriate control charts for this data.
  2. Is the process in control? Explain why or why not.
Sample Mean Range
1 20.01 0.45
2 19.98 0.67
3 20.25 0.30
4 19.90 0.30
5 20.35 0.36
6 19.23 0.49
7 20.01 0.53
8 19.98 0.40
9 20.56 0.95
10 19.97 0.79

Price: $2.99
Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document


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