JAMB Mathematics 2007 Objective — Question 44

Question 44 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2007 Objective paper, with the correct answer and a full explanation.

The cumulative frequency for 5<=x<=12 from the distribution above is

A. 72Correct
B. 46
C. 40
D. 22

Explanation

Summing the frequencies for values from 5 to 12 (10,12,10,8,6,8,10,8) gives a cumulative frequency of 72.

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