Find onfidence interval estimate of the population mean

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The number of cars sold annually by used car salespeople is normally distributed with a standard deviation of 15. A random sample of 15 salespeople was taken and the number of cars each sold is listed here. Find the 90% confidence interval estimate of the population mean. Interpret the interval estimate. 79 43 58 66 101 63 79 33 58 71 60 101 74 55 88.

Reference no: EM13140359

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Find onfidence interval estimate of the population mean : Find the 90% confidence interval estimate of the population mean. Interpret the interval estimate. 79 43 58 66 101 63 79 33 58 71 60 101 74 55 88.

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