Pilot sample of 30 items indicates a sample standard, Ask an Expert

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You need to calculate the required sample size for estimating a population mean. Your desired margin of error is 40 and a pilot sample of 30 items indicates a sample standard deviation of 900. Determine the required sample size if the confidence level is 90%.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9410418

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