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Sample of nine numbers from population

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Consider the following population of 10 numbers. 20 25 13 19 9 15 11 7 17 30

a) Find the population mean. Round to two decimal places.

b) Rich selected one sample of nine numbers from this population. The sample included the numbers 20, 25, 13, 9, 15, 11, 7, 17, and 30. Calculate sampling error for this sample. Round to decimal places.

Reference no: EM131615476

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