Data Set 12-5 -In Data Set 12-5, MS_error is Equal to
A) 2

Multiple Choice

Data Set 12-5: $$\begin{array} { c r r r r } \text { Subjects } & X _ { 1 } & X _ { 2 } & X _ { 3 } & \sum \\\hline 1 & 2 & 8 & 9 & 19 \\2 & 0 & 9 & 6 & 15 \\\Sigma & 2 & 17 & 15 & 34\end{array}$$
-In Data Set 12-5, MS_error is equal to

A) 2.17
B) 4.33
C) 5.00