Question: The paper Are Babies Normal by T Clemons and M

The paper "Are Babies Normal?" by T. Clemons and M. Pagano (The American Statistician, Vol. 53, No. 4, pp. 298-302) focused on birth weights of babies. According to the article, the mean birth weight is 3369 grams (7 pounds, 6.5 ounces) with a standard deviation of 581 grams.
a. Identify the population and variable.
b. For samples of size 200, find the mean and standard deviation of all possible sample mean weights.
c. Repeat part (b) for samples of size 400.

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