The owner of a company has recently decided to raise the salary of one employee, who was already making the highest salary, by 20%. Which of the following is(are) expected to be affected by this raise?
A) Mean only
B) Median only
C) Mean and median only
D) Mean, median, and mode

Question

Quizplus · Accepted Answer

The mean will be affected because it is the average of all salaries, and increasing the highest salary will increase the total sum, thus increasing the mean. The median and mode will remain unchanged because the raise does not affect the middle value or the most frequent value.

The Owner of a Company Has Recently Decided to Raise