Ten samples of a process measuring the number of returns per 200 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) .0405
D) .0273
E) .0139

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The Answer of Ten samples of a process measuring the number of returns per 200 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) .0405
D) .0273
E) .0139

Ten Samples of a Process Measuring the Number of Returns