Data Set 12-1: $$\begin{array} { c l l l r } \text { Subjects } & X _ { 1 } & X _ { 2 } & X _ { 3 } & \sum \ \hline 1 & 0 & 3 & 5 & 8 \ 2 & 3 & 4 & 6 & 13 \ \hline \Sigma & 3 & 7 & 11 & 21 \end{array}$$ -In Data Set 12-1, SS_treatis equal to A) 16.00 B) 86.00 C) 4.17

Question

Quizplus · Accepted Answer

SS_treat is calculated as the sum of squares of the treatment means minus the grand mean. Here, the treatment means are (3/1), (7/1), and (11/1), and the grand mean is (21/3). SS_treat = (3^2 + 7^2 + 11^2)/1 - (21^2/3) = 16.00.

Data Set 12-1 -In Data Set 12-1, SStreat is Equal to A) 16

Data Set 12-1 -In Data Set 12-1, SS_treatis Equal to
A) 16