When the sum of the squared deviation scores is SS=20 for a population n=5 scores, then the variance for this population is 4
Given,
The sum of the squared deviation scores SS= 20
Population of n= 5
Then the variance = SS/n
Substitute the values in the equation
The variance = [tex]\frac{20}{5}[/tex]
=4
Hence, when the sum of the squared deviation scores is SS=20 for a population n=5 scores, then the variance for this population is 4
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