Refer to Exercise 14.31. Suppose that the five pane designs were randomly selected from a population of pane designs for participation in the study.
a. Obtain the expected mean squares for all sources of variability.
b. Test all relevant sources of variability for significance. Use a .05.
c. Compare the results obtained here to the results obtained in Exercise 14.31.
d. Does considering the pane design effects to be random effects seem more relevant than considering them to be fixed effects? Explain your answer.
An experiment was conducted to investigate the heat loss for five different designs for commercial thermal panes. The researcher, in order to obtain results that would be applicable throughout most regions of the country, decided to evaluate the panes at five temperatures: 0°F, 20°F, 40°F, 60°F, and 80°F. A sample of 10 panes of each design was obtained. Two panes of each design were randomly assigned to each of the five exterior temperature settings. The interior temperature of the test was controlled at 70°F for all five exterior temperatures. The heat losses associated with the five pane designs are given here.
a. Identify the experimental design and write an appropriate statistical model.
b. Is there a significant difference in the mean heat losses of the five pane designs? Use .05.
c. Are the differences in the five designs consistent across the five temperatures? Use .05 and a profile plot in reaching your conclusion.
d. Use Tukey’s W procedure at an .05 level to compare the mean heat losses for the five pane designs.
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.Read more
Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.Read more
Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.Read more
Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.Read more
By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.Read more