Questions Refer to the Following Computer Output in Which a Researcher

question 62

Multiple Choice

Questions refer to the following computer output in which a researcher compared the GPA of traditional (aged 18-22) and nontraditional (aged 23 or older) students.
Table 10-1
GROUP $1 =$ Aged $18 - 22$
GROUP $2 =$ Aged 23 or older
Variable $=$ Grade point average


$\begin{array} { l c c c c } \text { GROUP } & N & \text { Mean } & S D & \text { Standard Error } \\ \text { GROUP 1 } & 15 & 2.95 & 0.556 & 0.143 \\ \text { GROUP 2 } & 15 & 3.08 & 0.524 & 0.135 \end{array}$


$F _ { \max }$ test $\quad F = 0.225 \quad p = 0.639$
Equal Variances Assumed
$t = - 0.68 \quad d f = 28 \quad p = 0.509$
Equal Variances Not Assumed
$t = - 0.68 \quad d f = 27.90 \quad p = 0.509$
-Consult Table 10-1. How many participants were in the study?

• A) 15
• B) 28
• C) 30
• D) None of the above.

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Definitions:

Private Goods Consumption

The act of consuming goods that are excludable and rivalrous in nature, implying that one individual's consumption of the good prevents others from consuming the same unit of the good.

Clarke Tax

A taxation mechanism designed to make individuals reveal their true valuation for a public good.

Polluters

Entities that release pollutants into the natural environment, causing pollution and environmental harm.

Pareto Optimal

The allocation of resources in a manner that doesn't allow for the enhancement of one person's condition without the deterioration of another's.