2023
Mathematics
67ca00ce0c643c71d77dee1f
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)THIS WEEK's
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