Question: A random sample of 156 grade point averages for students at one university is stored in the data file Grade Point Averages. a. Compute the

A random sample of 156 grade point averages for students at one university is stored in the data file Grade Point Averages.
a. Compute the first and third quartiles.
b. Calculate the 30th percentile.
c. Calculate the 80th percentile.

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