In Comparing the Two Standard Deviations Below, What Test Value $F$

question 82

Multiple Choice

In comparing the two standard deviations below, what test value and degrees of freedom should be used in an $F$ test?
$\begin{array}{l|cc} & \text { Sample 1 } & \text { Sample 2 } \\\hline \text { Standard deviation } & 7 & 3 \\\text { Sample size } & 14 & 23\end{array}$

• A) test value = 2.33; d.f.N. = 14 and d.f.D. = 23
• B) test value = 2.33; d.f.N. = 22 and d.f.D. = 13
• C) test value = 5.44; d.f.N. = 13 and d.f.D. = 22
• D) test value = 5.44; d.f.N. = 23 and d.f.D. = 14

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Definitions:

Airplane Tickets

Documents issued by airlines that allow passengers to board an aircraft and travel from one destination to another.

Linear

A straight line used to represent a relationship between two variables, showing a constant rate of change from one variable to another.

Inverse Demand Function

Represents the price of a good as a function of its quantity demanded, showing the maximum price consumers are willing to pay for a given quantity of the good.

Price Elasticity

The measure of how much the quantity demanded of a good responds to a change in the price of that good, showing the sensitivity of quantity demanded to price changes.