Based on the sample evidence below, we want to test the hypothesis that population A has a larger variance than population B. $\begin{array}{ll}
&\text { Sample A } & \text { Sample B } \
n&11 & 10 \
s^2&12.1 & 5
\end{array}$
The test statistic for this problem equals

Question

Based on the sample evidence below, we want to test the hypothesis that population A has a larger variance than population B. $\begin{array}{ll}
&\text { Sample A } & \text { Sample B } \
n&11 & 10 \
s^2&12.1 & 5
\end{array}$ 
 The test statistic for this problem equals

Quizplus · Accepted Answer

The test statistic for comparing two variances is calculated as the ratio of the two sample variances: $ F = \frac{s^2_A}{s^2_B} = \frac{12.1}{5} = 2.42 $.

Based on the Sample Evidence Below, We Want to Test Sample A Sample B n1110s212.15\begin{array}{ll}&\text { Sample A } & \text { Sample B } \\n&11 & 10 \\s^2&12.1 & 5\end{array}ns2​ Sample A 1112.1​ Sample B 105​

Based on the Sample Evidence Below, We Want to Test $\begin{array}{ll}&\text { Sample A } & \text { Sample B } \\n&11 & 10 \\s^2&12.1 & 5\end{array}$