An instructor is preparing a report showing mid-semester grades and notes that the mean, median, and mode are all exactly 76.00. What can she conclude?
A) The distribution of grades is unskewed.
B) There is a negative skew in the distribution (a few students have very low grades).
C) There is a positive skew in the distribution (a few students have very high grades).
D) All of the answer choices

Question

Quizplus · Accepted Answer

If the mean, median, and mode are all exactly the same, it indicates that the distribution is symmetrical and unskewed. Therefore, the best choice is A - the distribution of grades is unskewed.

An Instructor Is Preparing a Report Showing Mid-Semester Grades and Notes