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 (X 1 ),and the distance shipped in miles (X 2 ).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.

Question

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 (X 1 ),and the distance shipped in miles (X 2 ).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.

Quizplus · Accepted Answer

The Answer of 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 (X 1 ),and the distance shipped in miles (X 2 ).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.

Exhibit 14-1 an Express Delivery Service Company Recently Conducted a Study to Study