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Confidence interval for the mean height

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Reference no: EM131870373

An anthropologist measured the heights (in inches) of a random sample of 100 men from a certain population, and found the sample mean and variance to be 71 and 9 respectively.

(a) Find a 95% confidence interval for the mean height it of the whole population.

(b) Find a 99% confidence interval.

Reference no: EM131870373

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