Range, Median, Mean, and Mode Question
View this question.
Add this question to a group or test by clicking the appropriate button below.
Mary has received the following grades on her first 4 Math tests: 87, 93, 91 and 88. What grade must she receive on her 5th test to have an average of 90 in the class?
- 90
- 94
- 89
- 91