Phillip W. Please provide what the best answer is : a. SS = 9 and variance = 2.25b. SS = 18 and variance = 9c. SS = 18 and variance = 6 d. SS = 9 and variance = 3 1 Expert Answer The correct answer is (d) Mean value = (1+1+0+4)/4 = 1.5 SS = [(1-1.5)^2 + (1-1.5)^2 + (0-1.5)^2 + (4-1.5)^2] = 9 Variance = SS/n-1 = 9/3 = 3
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