Test the Hypothesis That $\sigma _ { 1 } \neq \sigma _ { 2 } \text { at the } \alpha = 0.10$

question 70

Multiple Choice

Test the hypothesis that $\sigma _ { 1 } \neq \sigma _ { 2 } \text { at the } \alpha = 0.10$ level of significance for the given sample data.
$\begin{array} { c | c c } & \text { Population 1 } & \text { Population 2 } \\\hline \mathrm { n } & 31 & 25 \\\mathrm {~s} & 5.46 & 5.4\end{array}$

• A) Test statistic: F=1.02 . Critical values =0.529,1.94 . Do not reject H₀
• B) Test statistic: F=1.02 . Critical values =0.515,1.94 . Do not reject H₀
• C) Test statistic: F=1.01 . Critical values =0.529,1.94 . Do not reject H₀
• D) Test statistic: F=1.01 . Critical values =0.515,1.94 . Reject H₀

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