Your automatic transmission factory has had some problems with quality. You have decided to gather information from tomorrow’s production for careful evaluation. For each of the following sampling methods, say if the procedure is good, acceptable, or unreasonable. Give a reason for your choice.
a.* The first 5 transmissions produced.
b. The 18 transmissions that are sitting outside the plant because they never worked.
c. Every 20th transmission produced.
d. A random sampling taken at the end of the day using the day’s production as a frame.
e. All obviously defective transmissions together with a random sampling of the apparently normal ones

  • CreatedNovember 11, 2015
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