Shown below is a partial Excel output from a regression analysis.
a.Use the above results and write the regression equation.
b.Compute the coefficient of determination and fully interpret its meaning.
c.Is the regression model significant? Perform an F test and let = 0.05.
d.At = 0.05, test to see if there is a relation between x1 and y.
e.At = 0.05, test to see if there is a relation between x3 and y.
Definitions:
Total Revenue
The total receipts from sales of a firm's goods or services.
Marginal Revenue
The additional income generated from the sale of one more unit of a good or service.
Average Variable Cost
The total variable cost divided by the total output, representing the variable cost per unit of output.
Average Total Cost
The total cost per unit produced, determined by dividing the sum of fixed and variable costs by the quantity of output.
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