passpadi

2023

Mathematics

JAMB

The ages of students in a small primary school were recorded in the table below. Estimate the mean

A.

7.7

B.

7.5

C.

7.8

D.

7.6

Correct Answer: 7.7

Explanation

Mean = ∑fx/∑f=820.5/107 = 7.7 (1 d.p)

Mean = ∑fx/∑f=820.5/107 = 7.7 (1 d.p)
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