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Regression Analysis The Local Grocery Store Wants to Predict Its Daily Sales

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Regression Analysis
Regression Analysis    The local grocery store wants to predict its daily sales in dollars.The manager believes that the amount of newspaper advertising significantly affects the store's 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. What is the estimated simple linear regression equation?
The local grocery store wants to predict its daily sales in dollars.The manager believes that the amount of newspaper advertising significantly affects the store's 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.
What is the estimated simple linear regression equation?


Definitions:

Fixed Expenses

Recurring costs that do not fluctuate with the level of production or sales volume, such as lease payments or salaries.

Contribution Margin Percentage

A measure showing what percentage of sales revenue is available to cover fixed costs and contribute to net income, calculated as (Sales - Variable Costs) / Sales.

After-Tax Profit

The profit a company has left after paying all its taxes.

Tax Rate

The proportion of income that the government taxes an individual or business.

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