Score (x) 0 1 2 3 4 5 6 Freq (f) 5 7 3 7 11 6 7 Find the variance

Question 1 Report

Score (x)	0	1	2	3	4	5	6
Freq (f)	5	7	3	7	11	6	7

Find the variance

3.42

4.69

4.85

3.72

Answer Details

Variance = $\frac{\sum f (x - \bar{x})}{\sum f}$
= $\frac{170.888}{46}$
= 3.72

Read lesson note on Measures Of Dispersion (JAMB)

Measures Of Dispersion

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