TABLE 17-12 The Marketing Manager for a Nationally Franchised Lawn Service Company

question 231

Short Answer

TABLE 17-12
The marketing manager for a nationally franchised lawn service company would like to study the characteristics that differentiate home owners who do and do not have a lawn service.A random sample of 30 home owners located in a suburban area near a large city was selected; 15 did not have a lawn service (code 0)and 15 had a lawn service (code 1).Additional information available concerning these 30 home owners includes family income (Income,in thousands of dollars),lawn size (Lawn Size,in thousands of square feet),attitude toward outdoor recreational activities (Attitude 0 = unfavorable,1 = favorable),number of teenagers in the household (Teenager),and age of the head of the household (Age).
The Minitab output is given below:
-Referring to Table 17-12,what are the degrees of freedom for the chi-square distribution when testing whether the model is a good-fitting model?

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Definitions:

Input

Resources used in the production process to create goods or services, including labor, raw materials, and capital.

Cost Curves

Graphs that illustrate the cost of producing various levels of output, typically including curves for average costs and marginal costs among others.

Marginal Cost

The cost added by producing one additional unit of a product or service, a critical concept in economics and decision making in business.

Average Total Cost

The total cost divided by the number of goods or services produced, indicating the average expense per unit.