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

question 67

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 should be the decision ('reject' or 'do not reject') on the null hypothesis when testing whether Teenager makes a significant contribution to the model in the presence of the other independent variables at a 0.05 level of significance?

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Definitions:

Productivity

The measure of the efficiency of a person, machine, system, etc., in converting inputs into useful outputs.

Physical Work Conditions

Aspects of the work environment that impact employees' physical health and safety, such as ergonomics, noise, and temperature.

Hawthorne Effect

The phenomenon in which participants alter their behavior due to their awareness of being observed in an experiment or study.

Performance Increase

A performance increase refers to the improvement in the execution or outcome of a task or activity, often as a result of practice, training, or modifications in approach.