Respuesta :
The variance of the data set is 4. so option B is correct.
What do you mean by standard deviation?
In statistics, Standard deviation is a measure of the variation of a set of values.
σ = standard deviation of population
Recall that the standard deviation is the square root of the variance.
if we know the standard deviation , square it and we get the variance:
Standard deviation [tex]\sigma[/tex] = 2
Varience; [tex]\sigma ^2 = 2^2 = 4[/tex]
Hence, The variance of the data set is 4. so option B is correct.
Learn more about standard deviation and variance:
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