A Conservationist Wants to Know If the Water Level (In $\alpha = 0.05$

question 59

Multiple Choice

A conservationist wants to know if the water level (in meters) in Crab Lake is more or less variable than the water level in Gull Lake. If one tested the hypothesis that the levels are equally variable at $\alpha = 0.05$ , the critical value would be

$\begin{array}{|l|l|l|}\hline & \text { Crab Lake } & \text { Gull Lake } \\\hline \bar{x} & 44 & 3.3 \\\hline \$ & 3.9 & 2.4 \\\hline 4 & 22 & 21 \\\hline\end{array}$

• A) 2.25
• B) 2.42
• C) 2.64
• D) 2.88

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