passpadi

2004

Mathematics

JAMB

the graph above shows the cumulative frequency curve of the distribution of marks in a class test. What percentage of the students scored more than 20 marks?

A.

68%

B.

28%

C.

17%

D.

8%

Correct Answer: 28%

Explanation

% of students scoring more than 20 marks = 7/25 x 100% = 28%

% of students scoring more than 20 marks = 7/25 x 100% = 28%
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