Exhibit 14-1
An express delivery service company recently conducted a study to investigate the relationship between the cost of shipping a package (Y),the package weight in pounds (X1),and the distance shipped in miles (X2).Twenty packages were randomly selected from among the large number received for shipment,and a detailed analysis of the shipping cost was conducted for each package.The sample information is shown in the table below: 
-Refer to Exhibit 14-1.Add the second explanatory variable (distance shipped)to the regression model.Estimate and interpret this expanded model.
Definitions:
Q5: The least squares line is the line
Q6: Refer to Exhibit 6-1.Which items should she
Q7: The adjusted R<sup>2</sup> is used primarily to
Q15: Which of the following is not one
Q18: A utility function for risk averse individuals
Q28: Refer to Exhibit 8-2.What is the fewest
Q32: On an annual basis,healthcare expenditures in the
Q36: People who are risk averse:<br>A)prefer a sure
Q92: Which of the following statements is true?<br>A)Water
Q103: Assume that chips cost $1 and soda