Doug had scores of 80, 85, 75, and 80 on his first four

exams in a course.
a. Find the mean, median, and mode for these exam
scores.
b. Which “average” would Doug want the teacher to use
in determining his grade?
c. What score would Doug have to get on a fifth examination
to raise his mean score to 84? Is it reasonable
to expect Doug to achieve that score?

2 answers

http://edhelper.com/statistics.htm
I get the mode , mean and median are all 80. right?