Behavior of sample mean age of college undergraduates

Reference no: EM131817072

Suppose we are interested in the behavior of sample mean age of college undergraduates, for random samples of a certain size.

a. To draw conclusions about the center of the distribution of sample mean, which of these do we need to know (there may be more than one needed): population mean, population standard deviation, population shape, sample size?

b. To draw conclusions about the spread of the distribution of sample mean, which of these do we need to know (there may be more than one needed): population mean, population standard deviation, population shape, sample size?

c. To draw conclusions about the shape of the distribution of sample mean, which of these do we need to know (there may be more than one needed): population mean, population standard deviation, population shape, sample size?

Reference no: EM131817072

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