Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a midterm test.

Question

Ms. Alison drew a box-and-whisker plot to represent her students’ scores on a midterm test.

A box and whisker plot has a black dot at 44 and a black dot at 96. The left end of the box is at 47, the middle line of the box is at 72, and the right end of the box is at 81.

Jason received 81 on the test. How does Jason’s score compare to his classmates?
A. About 25% scored higher; about 75% scored lower.
B. About 50% scored higher; about 50% scored lower.
C. About 75% scored higher; about 25% scored lower.
D. No one scored higher.

Answer 1

Based on the given box-and-whisker plot, Jason's score of 81 falls within the right end of the box, which means that approximately 50% of his classmates scored higher than him and approximately 50% scored lower. Therefore, the correct answer is B. About 50% scored higher; about 50% scored lower.