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