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Determination of Sample size for population mean.

The college president asks the statistics teacher to approximation average age of the students at their college. How large a sample is essential if the teacher would like to be 98 percent confident that the estimate should be accurate within 1 year? From a previous study, the standard deviation of the ages is known to be 3 years.

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  • Category:- Statistics and Probability
  • Reference No.:- M919722

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