The Side-By-Side Boxplots Show the Cumulative College GPAs for Sophomores

question 8

Essay

The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and seniors taking an intro stats course in Autumn 2003.
a. Which class (sophomore, junior, or senior) had the lowest cumulative college GPA? What is the approximate value of that GPA?
b. Which class had the highest median GPA, and what is that GPA?
c. Which class had the largest range for GPA, and what is it?
d. Which class had the most symmetric set of GPAs? The most skewed set of GPAs?

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