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A national math examination has 4 statistics problems. The d
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07 May 2019, 10:02
07 May 2019, 10:02
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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?
#GREpracticequestion A national math examination has 4 statistics problems.jpg [ 21.86 KiB | Viewed 4142 times ]
(A) 1 point
(B) 25 points
(C) 26 points
(D) 69 points
(E) 263.5 points
Attachment:
#GREpracticequestion A national math examination has 4 statistics problems.jpg [ 21.86 KiB | Viewed 4142 times ]
(A) 1 point
(B) 25 points
(C) 26 points
(D) 69 points
(E) 263.5 points
Re: A national math examination has 4 statistics problems. The d
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16 Apr 2020, 13:10
16 Apr 2020, 13:10
Expert Reply
25*number of questions answered/ number of students
25*(200+304+350+250)/400=~ 69
D is the answer
25*(200+304+350+250)/400=~ 69
D is the answer
gmatclubot
Re: A national math examination has 4 statistics problems. The d [#permalink]
16 Apr 2020, 13:10
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