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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:

99%

Often refers to a confidence level in statistics, indicating that there is a 99% chance the results fall within a specified range.

Two Proportions

A statistical comparison between two population proportions to determine if there is a significant difference.

Independent Samples T-Test

A statistical test used to determine if there are significant differences between the means of two unrelated groups on a continuous outcome.

Statistically Significant Difference

A difference between two groups or variables that is unlikely to have occurred due to chance alone, as determined by statistical analysis.

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