Question: a) Construct a 99.9% confidence interval for the mean weight of two-month-old baby girls. (b) According to the National Health Statistics Reports, the mean weight

a) Construct a 99.9% confidence interval for the mean weight of two-month-old baby girls. (b) According to the National Health Statistics Reports, the mean weight of two-month-old baby boys is

13.9 pounds. Based on the confidence interval, is it reasonable to believe that the mean weight of two-month-old baby girls may be the same as that of two-month-old baby boys? Explain.

Baby weights: Following are weights, in pounds, of 10 two-month-old baby girls. It is reasonable to assume that the population is approximately normal. 12.32 11.87 12.34 11.48 12.66 12.23 12.95 10.30 9.34 8.63 Send data to Excel (a) Construct a 99.9% confidence interval for the mean weight of twomonthold baby girls. (b) According to the National Health Statistics Reports, the mean weight of twomonth-old baby boys is 13.9 pounds. Based on the confidence interval, is it reasonable to believe that the mean weight of twomonthold baby girls may be the same as that of twomonthold baby boys? Explain. Part: 0/2 Part 1 of2 (a) A 99.9% confidence interval for the mean weight of twomonthold baby girls is l l

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