This table below gives the scores of a group of students in a Further Mathematics Test. Score 1 2 3 4 5 6 7 Frequency 4 6 8 4 10 6 2 Calculate the mean devi...

Assessment: JAMB UTME - Mathematics - 2019 Subject: General Mathematics

Question 1 Report

This table below gives the scores of a group of students in a Further Mathematics Test.

Score	1	2	3	4	5	6	7
Frequency	4	6	8	4	10	6	2

Calculate the mean deviation for the distribution

4.32

2.81

1.51

3.90

Answer Details

Mean = $\frac{\sum f x}{\sum f}$

= $\frac{156}{40}$

= 3.9

M.D = $\frac{\sum f | x - \bar{x} |}{\sum f}$

= $\frac{60.4}{40}$

= 1.51

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