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

question 26

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 lower and upper limits of the 95% confidence interval estimate for the effect of a one year increase in education received on the mean number of weeks a worker is unemployed due to a layoff after taking into consideration the effect of all the other independent variables?

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Definitions:

Unit of Measurement

A definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same quantity.

Modality

The number of peaks or high points in the frequency distribution of a dataset.

Variability

The degree to which data points in a distribution or set diverge from the central value (mean or median), indicating how spread out the data are.

Symmetry

The property where an object or design is balanced and proportionate, often mirroring one side to another.