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

question 198

Multiple Choice

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,which of the following is the correct alternative hypothesis to test whether age has any effect on the number of weeks a worker is unemployed due to a layoff while holding constant the effect of all the other independent variables?

• A)H₁ : \(\beta\)₀ \(\neq\) 0
• B)H₁ : \(\beta\)₁ \(\neq\) 0
• C)H₁ : \(\beta\)₂ \(\neq\) 0
• D)H₁ : \(\beta\)₃ \(\neq\) 0

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Definitions:

Operant Conditioning

A form of learning in which a voluntary response is strengthened or weakened by its association with positive or negative consequences.

Voluntary Response

A behavioral action that is performed willingly and without coercion.

Classical Conditioning

A learning process in which a biologically potent stimulus is paired with a previously neutral stimulus to elicit a response.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention in classical conditioning.