A national math examination has 4 statistics problems. The distribution of the number of students who answered the questions correctly is shown in the chart. If 400 students took the exam and each question was worth 25 points, then what is the average score of the students taking the exam?
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#GREpracticequestion A national math examination has 4 statistics problems.jpg [ 21.86 KiB | Viewed 4203 times ]
(A) 1 point
(B) 25 points
(C) 26 points
(D) 69 points
(E) 263.5 points