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

question 305

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 Model 1,what are the numerator and denominator degrees of freedom,respectively,for the test statistic to determine whether there is a significant relationship between the number of weeks a worker is unemployed due to a layoff and the entire set of explanatory variables?

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Definitions:

Profit Margin

A financial ratio indicating the percentage of revenue that exceeds the costs associated with making or buying the goods sold.

DuPont Formula

A formula used to provide a detailed analysis of Return on Equity (ROE) by breaking it down into three major components: operating efficiency, asset use efficiency, and financial leverage.

Investment Turnover

A measure of a company's efficiency in using its investments in assets to generate sales revenue, calculated as sales divided by average total assets.

Profit Margin

A metric in finance that reveals the percent of sales revenue that remains after deducting the cost of goods sold, illustrating the profit-making ability of a business.