JAMB - Economics (2024 - No. 42)
If the standard deviation of a set of numbers is 3.6, what is the variance?
12.96
12.69
12.9
12.98
Explanation
S.d = √v
Square both side:
Variance = (So)2
Variance = 3.62
V = 3.6 x 3.6
Variance = 12.96
Square both side:
Variance = (So)2
Variance = 3.62
V = 3.6 x 3.6
Variance = 12.96
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