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If the standard deviation of a population is 3, what would be the population variance?
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- B6
- C8
- D15
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CCommunity
Given standard deviation σ = 3
We know that variance is the square of the standard deviation
∴ Variance = (standard deviation)2 = (σ)2 = 32 = 9
We know that variance is the square of the standard deviation
∴ Variance = (standard deviation)2 = (σ)2 = 32 = 9