Find the Critical Value or Values of X $x ^ { 2 }$

Multiple Choice

Find the critical value or values of x $x ^ { 2 }$ based on the given information.
- $\begin{array} { l } H _ { 0 } : \sigma = 8.0 \\n = 10 \\\alpha = 0.01\end{array}$

A) 2.088, 21.666
B) 23.209
C) 1.735, 23.589
D) 21.666