The parallel boxplots below display the quiz grades (out of 30) for two of Mrs. Smith's Statistics classes.
Which statement best compares the shapes of the
distributions of the quiz scores for the two classes?
Class 1
..
O Both distributions appear to be fairly symmetric.
O The distribution of quiz grades for class 1 appears to
be skewed left, and the distribution of quiz grades for
class 2 appears to be fairly symmetric.
O The distribution of quiz grades for class 1 appears to
be skewed right, and the distribution of quiz grades
for class 2 appears to be fairly symmetric.
O The distribution of quiz grades for class 1 appears to
be skewed right, and the distribution of quiz grades
for class 2 appears to be slightly skewed left.
Class 2
12 14 16 18 20 22 24 26 28 30
Quiz Grades
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