SCENARIO 18-12 The Marketing Manager for a Nationally Franchised Lawn Service Company

question 245

Short Answer

SCENARIO 18-12
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 Scenario 18-10 and using both Model 1 and Model 2,what are the degrees of freedom of the test statistic for testing whether the independent variables that are not significant individually are also not significant as a group in explaining the variation in the dependent variable at a 5% level of significance?

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Definitions:

Keynes

Refers to John Maynard Keynes, a British economist whose theories on government economic intervention laid the foundation for modern macroeconomics.

Work Effect

The impact on labor supply and productivity due to changes in economic policies or conditions.

Basic Assumption

An underlying principle or idea that is accepted as true without proof, forming the basis for further reasoning or behavior.

Level Of Investment

The amount of spending by businesses on capital goods, such as factories and machinery, which can influence economic growth.