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TABLE 2-13
Given below is the stem-and-leaf display representing the amount of detergent used in gallons (with leaves in tenths of gallons) in a day by 25 drive-through car wash operations in Phoenix.
9 | 1 4 7
10 | 0 2 2 3 8
11 | 1 3 5 5 6 6 7 7 7
12 | 2 2 3 4 8 9
13 | 0 2
-Referring to Table 2-13, construct a percentage polygon for the detergent data if the corresponding frequency distribution uses "9.0 but less than 10.0" as the first class.
Decreasing-Cost Industry
An industry in which costs per unit decline as the industry scales up production, often due to economies of scale.
Average Cost
The total cost of production divided by the quantity of the product produced, indicating the cost per unit of output.
Industry's Output
The total production of goods or services generated by all firms operating within a specific industry.
Decreasing-Cost Industry
An industry characterized by a downward-sloping long-run supply curve, indicating lowering costs as industry output increases.
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