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Arithmetic Mean and Range

The marks obt...

Question

The marks obtained by 6 students in a class test are 20, 22, 24, 26, 28, 30. Find the mean. (2 Marks)

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Solution

Arithmetic Mean = (20+22+24+26+28+30) ÷ 6 (1 Mark)
= 25
Therefore, mean = 25 (1 Mark)

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