Regression Analysis ANOVA

question 85

Short Answer

Regression Analysis
ANOVA
Regression output
A local grocery store wants to predict its daily sales in dollars. The manager believes that the amount of newspaper advertising significantly affects sales. He randomly selects 7 days of data consisting of daily grocery store sales (in thousands of dollars) and advertising expenditures (in thousands of dollars). The Excel/MegaStat output given above summarizes the results of the regression model.
At a significance level of .05, test the significance of the slope and state your conclusion.

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Definitions:

Total Costs

The complete amount of all costs incurred during the production of goods or services, including both steady and varying expenses.

Positive Profits

A financial situation where the revenues generated by a business exceed its costs, leading to a net gain.

Fallacy of Composition

The erroneous belief that what is true for an individual or part will also be true for a group or the whole.

Income

Money received by a person or household over a certain period of time from work, investments, business ventures, or other sources.