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

question 70

Multiple Choice

Find the critical value or values of $\chi ^ { 2 }$ based on the given information.
- $$\begin{array} { l } \mathrm { H } _ { 1 } : \sigma < 0.629 \\\mathrm { n } = 19 \\\alpha = 0.025\end{array}$$

• A) 8.907
• B) 7.015
• C) 8.231
• D) 31.526

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