Regression Analysis the Local Grocery Store Wants to Predict

question 22

Multiple Choice

Regression Analysis The local grocery store wants to predict the daily sales in dollars.The manager believes that the amount of newspaper advertising significantly affects the store 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/Mega-Stat output given above summarizes the results of the regression model. Determine a 95% confidence interval estimate of the daily average store sales based on $3000 advertising expenditures? The distance value for this particular prediction is reported as .164.

• A)$64,496 to $102.170
• B)$33,108 to $133,558
• C)$71,324 to $95,342
• D)$51,314 to $115,353
• E)$42,851 to $83,816

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Definitions:

Marginal Revenue

Revenue gained by selling an additional unit, illustrating the increase in total revenue due to one more unit of output sold.

Innovation

The process of creating new products, services, or methods that improve efficiency or effectiveness.

Economic Profit

The difference between total revenue and total costs, including both explicit and implicit costs, indicating the overall profitability of a business venture.

Profit-Maximizing

A strategy or goal of a firm to achieve the highest possible profit from its operations.