TABLE 2-13
Given Below Is the Stem-And-Leaf Display Representing the Amount

question 27

Essay

TABLE 2-13
Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in 10ths of gallons) in a month by 25 drive-through car wash operations in Phoenix.
$$\begin{array}{l}\begin{array} { l l } \hline\text { Stem}& \text { Leaves }\\\hline9 & 147 \\10 & 02238 \\11 & 135566777 \\12 & 223489 \\13 & 02 \\\hline\end{array}\end{array}$$
-Referring to Table 2- 13, construct a histogram for the detergent data, using "9.0 but less than 10.0" as the first class.

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Definitions:

Marginal Cost Curve

A graphical representation showing how the cost of producing one additional unit of a good changes as production volume changes.

Average Variable Cost

The total variable costs of production divided by the number of units produced, measuring the cost per unit that varies with output level.

Marginal Costs

The increase in total cost that arises from an extra unit of production.

Average Variable Costs

The total variable costs (costs that change with output level) divided by the quantity of output produced.