Data Set 12-3 -In Data Set 12-3, MS_error Is Equal to
A) 1

Multiple Choice

Data Set 12-3: $$\begin{array} { c r r r r } \text { Subjects } & X _ { 1 } & X _ { 2 } & X _ { 3 } & \sum \\\hline 1 & 2 & 6 & 9 & 17 \\2 & 5 & 10 & 10 & 25 \\\Sigma & 7 & 16 & 19 & 42\end{array}$$
-In Data Set 12-3, MS_error is equal to

A) 1.167
B) 2.333
C) 6.500