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JAMB Mathematics 2010 Objective — Question 47

Question 47 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2010 Objective paper, with the correct answer and a full explanation.

Find the mean mark.

A. 3.3Correct
B. 3.2
C. 3.1
D. 3.0

Explanation

Mean = [1(2)+2(2)+3(8)+4(4)+5(4)]/20 = 66/20 = 3.3.

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