What are the values for SS and variance for the following sample of n = 4 scores? Sample: 1,1,0,4
A)SS = 9 and variance = 3
B)SS = 9 and variance = 2.25
C)SS = 18 and variance = 6
D)SS = 18 and variance = 9

Question

Quizplus · Accepted Answer

The sum of squares (SS) is the sum of the squared deviations from the mean. The variance is the SS divided by the degrees of freedom (df). In this case, the mean is 1.5 and the df is 3. The SS is therefore (1-1.5)^2 + (1-1.5)^2 + (0-1.5)^2 + (4-1.5)^2 = 9. The variance is therefore 9/3 = 3.

What Are the Values for SS and Variance for the Following