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

question 43

Multiple Choice

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

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

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