Find the Critical Value or Values Of $\chi ^ { 2 }$

Multiple Choice

Find the critical value or values of $\chi ^ { 2 }$ based on the given information.
- $$\begin{array} { l } \mathrm { H } 1 : \sigma \neq 8.0 \\\mathrm { n } = 10 \\\alpha = 0.01\end{array}$$

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