SCENARIO 18-12
the Marketing Manager for a Nationally Franchised Lawn $\beta$

question 90

True/False

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,we can conclude that,holding constant the effect of the other independent variables,there is a difference in the mean number of weeks a worker is unemployed due to a layoff between a worker who is married and one who is not at a 1% level of significance if all we have is the information of the 95% confidence interval estimate for $\beta$ ₄ .

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Definitions:

Cost Function

An equation that calculates the total cost of producing goods or services as a function of the quantity of output produced.

Production Function

A mathematical relation that expresses the relationship between inputs used in production and the output produced.

Minimizing Unit Costs

The process of reducing the cost per unit of production in order to achieve greater efficiency and profitability.

Price Ratio

The proportional relationship between the prices of two goods, indicating how many units of one good can be exchanged for one unit of another good.