The Following Is Part of the Results of a Regression $\alpha$

question 47

Essay

The following is part of the results of a regression analysis involving sales (Y in millions of dollars), advertising expenditures (X₁ in thousands of dollars), and number of sales people (X₂) for a corporation:
a.At $\alpha$ = 0.05 level of significance, test to determine if the model is significant. That is, determine if there exists a significant relationship between the independent variables and the dependent variable.
b.Determine the multiple coefficient of determination.
c.Determine the adjusted multiple coefficient of determination.
d.What has been the sample size for this regression analysis?

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Definitions:

Empathy

Reacting to another’s feelings with an emotional response that is similar to the other’s feelings.

Marathon

A long-distance running event with an official distance of 42.195 kilometers, typically a race, requiring endurance and stamina.

Pleasure

A feeling of happiness, enjoyment, or satisfaction derived from an experience.

Accomplishment

The achievement of a goal or the completion of a task, often resulting in a sense of satisfaction.