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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?
Collective Efficacy
A group's shared belief in its collective ability to organize and execute actions required to achieve desired outcomes.
Task Cohesion
The degree to which members of a group or team unite and work together effectively to achieve specific, shared tasks or objectives.
Individual Efficacy
One's belief in their own ability to succeed in specific situations or accomplish a task.
Task Cohesion
The degree to which members of a group work together effectively to achieve common goals.
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