Suppose the ages of students in your program follow a positively skewed distribution with mean of 24 years and a standard deviation of 4 years. If we randomly sampled 100 students, which of the following statements about the sampling distribution of the sample mean age is NOT true?
a. The mean of the sampling distribution of sample mean is equal to 24 years.
b. The standard deviation of the sampling distribution of sample mean is equal to 4 years.
c. The shape of the sampling distribution of sample mean is approximately normal.
d. All of these choices are true.
B
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