Question

Ten samples of a process measuring the number of returns per 100 receipts were taken for a local retail store. The number of returns were 10, 9, 11, 7, 3, 12, 8, 4, 6, and 11. Find the standard deviation of the sampling distribution for the p-bar chart.

A) There is not enough information to answer the question.

B) .081

C) 8.1

D) .0273

E) .0863

Answer

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