Multiple Choice
A major customer for a vendor of plastic containers requires that its containers have a volume of 10,000 cubic inches with a tolerance of 50 cubic inches.Forty subgroups of five containers each were selected periodically from the production process.The average of the means across all subgroups was found to be 10,012 cubic inches and the average range was 48 cubic inches.The estimated process standard deviation (
) is ________________________ .
A) 48 cubic inches
B) 22.69 cubic inches
C) 20.64 cubic inches
D) 50 inches
E) 32.99 cubic inches
Correct Answer:
Verified
Correct Answer:
Verified
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