Regression Analysis

question 1

Essay

Regression analysis. 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.Determine a 95 percent confidence interval estimate of the daily average store sales based on $3,000 advertising expenditures.The distance value for this particular prediction is reported as .164.

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Definitions:

Psychoactive Drugs

Substances that, when taken, alter the brain's function, resulting in temporary changes in perception, mood, consciousness, or behavior.

Mental Disorders

Medical conditions that involve changes in cognition, emotions, or behaviors leading to distress or difficulty in functioning.

Treat

To act or behave towards someone or something in a specified manner, often with kindness or to provide something pleasurable.

Severe Depression

A major depressive disorder characterized by a deep and persistent feeling of sadness or despair and/or a loss of interest in activities, accompanied by several physical and emotional problems.