Many firms use on-the-job training to teach their employees new software. Suppose you work in the personnel department of a firm that just finished training a group of its employees in new software, and you have been requested to review the performance of one of the trainees on the final test that was given to all trainees. The mean of the test scores is 79. Additional information indicated that the median of the test scores was 89. What type of distribution most likely describes the shape of the test scores?
A) unable to determine with the information given
B) skewed to the left
C) symmetric
D) skewed to the right

Question

Quizplus · Accepted Answer

When the mean is less than the median, it suggests a left-skewed distribution, because a few low scores pull the mean down more than the median.

Many Firms Use On-The-Job Training to Teach Their Employees New