Test the Hypothesis That $\sigma _ { 1 } > \sigma _ { 2 } \text { at the } \alpha = 0.01$

question 65

Multiple Choice

Test the hypothesis that $\sigma _ { 1 } > \sigma _ { 2 } \text { at the } \alpha = 0.01$ level of significance for the given sample data.
$\begin{array} { c | c c } & \text { Population 1 } & \text { Population 2 } \\\hline \mathrm { n } & 61 & 31 \\\mathrm {~s} & 34.4 & 27.6\end{array}$

• A) Test statistic: F=1.55 . Critical value =2.21 . Do not reject H₀
• B) Test statistic: F=1.55 . Critical value =2.03 . Reject H₀
• C) Test statistic: F=42.88 . Critical value =2.03 . Reject H₀
• D) Test statistic: F=1.25 . Critical value =2.21 . Do not reject H₀

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Total Revenue

The entire amount of income generated by the sale of goods or services before any expenses are deducted.

Opportunity Cost

The value of the next best alternative forgone as a result of making a decision to pursue a certain action.

Economic Efficiency

The optimal distribution of resources in a manner that maximizes the total utility to all individuals in the economy.

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Guidance or regulation provided by government bodies to influence or control certain activities, industries, or economic policies.