The Following Table Presents the Heights (In Inches) of a Sample

question 55

Multiple Choice

The following table presents the heights (in inches) of a sample of college basketball players.

$\begin{array} { c c } \hline \text { Height (in.) } & \text { Frequency } \\\hline 68 - 71 & 2 \\72 - 75 & 2 \\76 - 79 & 4 \\80 - 83 & 2 \\84 - 87 & 3 \\\hline\end{array}$

Considering the data to be a population, approximate the variance of the heights.

• A) 5.4
• B) 5.6
• C) 29.2
• D) 31.6

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Definitions:

Social Costs

The total cost to society, both direct and indirect, arising from the production or consumption of goods and services, including externalities.

Perfect Competition

A market structure characterized by an infinite number of buyers and sellers, homogeneous products, no barriers to entry or exit, perfect information, and no individual buyer or seller having any influence on the market price.

Public Good

A good that is non-excludable and non-rivalrous, meaning it can be used simultaneously by more than one person without reducing its availability to others.

Hardwood Forest

Forests predominantly made up of deciduous trees that lose their leaves annually, known for their dense, high-quality wood.