Each year thousands of college seniors take the Graduate Rec
Each year, thousands of college seniors take the Graduate Record Examination. These scores are known to be normally distributed, with mean 500 and standard deviation 100.
Describe the sampling distribution of all possible sample means based on samples of size 4, 25, and 100, by giving the mean, standard deviation, and shape of each sampling distribution.
a.) n=4
 b.) n=25
 c.) n=100
Solution

