Confidence interval for the mean of weight

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Reference no: EM133273746

Among 1600 individuals, the mean weight was 145 pounds with a standard deviation of 15.

a. We wish to know if on the basis of these data, we may conclude that the mean weight of 150 is rejected. (please go over both approached I mentioned in the lectures.)

b. What is 95% confidence interval for the mean of weight? What does this interval mean?

Reference no: EM133273746

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