TABLE 14-19 The Marketing Manager for a Nationally Franchised Lawn Service Company

question 166

Short Answer

TABLE 14-19
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 (Atitude 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 14-19, 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:

Silver

A precious metal used in industry and as an investment, known for its conductivity and antimicrobial properties.

S&P 500 Index

A stock market index that measures the stock performance of 500 large companies listed on stock exchanges in the United States, often used as a benchmark.

Bushels

A unit of volume that is used in the United States for measuring agricultural commodities like grains and fruits.

Corn

Refers to a cereal plant that yields large kernels on a cob, also a staple food in various regions.