The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and seniors taking an intro stats course in Autumn 2012.

a.Which class (sophomore, junior, or senior) had the lowest cumulative college GPA?
What is the approximate value of that GPA?

b.Which class has the highest median GPA, and what is that GPA?

c.Which class has the largest range for GPA, and
what is it?

d.Which class has the most symmetric set of GPAs?
The most skewed set of GPAs?

Question

The side-by-side boxplots show the cumulative college GPAs for sophomores, juniors, and seniors taking an intro stats course in Autumn 2012.

a.Which class (sophomore, junior, or senior) had the lowest cumulative college GPA?
What is the approximate value of that GPA?

b.Which class has the highest median GPA, and what is that GPA?

c.Which class has the largest range for GPA, and
what is it?

d.Which class has the most symmetric set of GPAs?
The most skewed set of GPAs?

Quizplus · Accepted Answer

The Answer is a.The junior class had the lowest cumulative GPA, around 1.6

b.The sophomore class had the highest median cumulative GPA, around 3.2

c.The junior class had the largest range for GPA, about 2.4

d.The senior class had the most symmetric set of GPAs. The sophomore class had the most skewed set of GPAs, skewed to the left

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