Kevin Asked Some of His Friends How Many Hours They $$\begin{array} { l l l l l l l l l l l l } 5 & 6 & 5 & 4 & 5 & 5 & 9 & 8 & 5 & 3 & 7 & 6 \\6 & 7 & 5 & 6 & 7 & 5 & 6 & 8 & 6 & 7 & 8 & 4\end{array}$$

question 32

Essay

Kevin asked some of his friends how many hours they had worked during the previous
week at their after-school jobs. The results are shown below. $$\begin{array} { l l l l l l l l l l l l } 5 & 6 & 5 & 4 & 5 & 5 & 9 & 8 & 5 & 3 & 7 & 6 \\6 & 7 & 5 & 6 & 7 & 5 & 6 & 8 & 6 & 7 & 8 & 4\end{array}$$
Construct a frequency distribution. Use 4 classes, a class width of 2 hours, and a lower limit of 3 for class $1 .$
$\begin{array}{l|l}\text { Hours } & \text { Frequency } \\ \hline \text { } & \text { } \\\end{array}$

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Definitions:

Profit Rewards

The financial gains that accrue to entrepreneurs or investors as a result of taking a risk in the marketplace.

Pure Competition

A market structure characterized by a large number of small firms, a homogeneous product, and no single firm having market control.

Market Structure

The organizational and other characteristics of a market, influencing the level of competition and pricing within the market.

Oligopoly

A market structure in which a few firms sell either a standardized or differentiated product, into which entry is difficult, in which the firm has limited control over product price because of mutual interdependence (except when there is collusion among firms), and in which there is typically nonprice competition.