Find the Critical Value at The $\alpha = 0.05$ = 005 Level for the Following Sample, for Testing

Multiple Choice

Find the critical value at the $\alpha = 0.05$ = 0.05 level for the following sample, for testing $H _ { 0 } : m = 60$ versus $\begin{array}{l} H _ { 1 } : m \neq 60 \text {. }\\\begin{array} { l l l l l l l l l l l l } 77 & 64 & 79 & 79 & 42 & 80 & 74 & 54 & 60 & 63 & 50 & 56\end{array}\end{array}$

A) 3
B) 1
C) 2
D) 4