# Question

The average age of freshman college students is 18.5 years, with a standard deviation of 0.4 years.

a. Let x̅ denote the mean age of a random sample of n = 50 students. Determine the mean and standard deviation of the random variable x̅.

b. Repeat part (a) with n = 100 students.

a. Let x̅ denote the mean age of a random sample of n = 50 students. Determine the mean and standard deviation of the random variable x̅.

b. Repeat part (a) with n = 100 students.

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