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.
- $$\begin{array} { l } \mathrm { H } _ { 1 } : \sigma \neq 9.3 \\\mathrm { n } = 28 \\\alpha = 0.05\end{array}$$

A) 16.151, 40.113
B) -40.113, 40.113
C) -14.573, 14.573
D) 14.573, 43.194