Mathematics, 20.03.2020 02:58 rjmarin592ovzbn9
Among various ethnic groups, the standard deviation of heights is known to be approximately three inches. We wish to construct a 95% confidence interval for the mean height of males from a certain country. Forty-five males are surveyed from a particular country. The sample mean is 71 inches. The sample standard deviation is 2.3 inches.
a). Construct a 95% confidence interval for the population mean height of males of this country.
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