A shipping company believes that the variation in the cost of a customers shipment can be explained by differences in

Question:

A shipping company believes that the variation in the cost of a customer€™s shipment can be explained by differences in the weight of the package being shipped. To investigate whether this relationship is useful, a random sample of 20 customer shipments was selected, and the weight (in lb) and the cost (in dollars, rounded to the nearest dollar) for each shipment were recorded. The following results were obtained:
A shipping company believes that the variation in the cost

a. Construct a scatter plot for these data. What, if any, relationship appears to exist between the two variables?
b. Compute the linear regression model based on the sample data. Interpret the slope and intercept coefficients.
c. Test the significance of the overall regression model using a significance level equal to 0.05.
d. What percentage of the total variation in shipping cost can be explained by the regression model you developed in part b?

This problem has been solved!


Do you need an answer to a question different from the above? Ask your question!

Step by Step Answer:

Related Book For  answer-question

Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

View Solution
Create a free account to access the answer
Cannot find your solution?
Post a FREE question now and get an answer within minutes. * Average response time.
Question Posted: December 02, 2015 02:44:19