The parallel boxplots below display the quiz grades (out of 30) for two of Mrs. Smith's statistics classes.
Which statement best compares the variability of the
quiz scores for the two classes?
Class 1 000
O The quiz grades for class 1 have more variability
than the quiz grades for class 2.
The quiz grades for class 1 have less variability than
the quiz grades for class 2.
The quiz grades for class 1 are not as spread out as
the quiz grades for class 2.
O The quiz grades for class 1 are higher, on average,
than the quiz grades for class 2.
Class 2
+
12 14 16 18 20 22 24 26 28 30
Quiz Grades