11.38 A student team in a business statistics course performed a factorial experiment to investigate the time required for pain-relief tablets to dissolve in a glass of water. The two factors of interest were brand name (Equate, Kroger, or Alka-Seltzer) and water temperature (hot or cold). The experiment consisted of four replicates for each of the six factor combinations. The following data (stored in ) show the time a tablet took to dissolve (in seconds) for the 24 tablets used in the experiment: PainRelief SELF Test BRAND OF PAIN-RELIEF TABLET WATER Equate Kroger Alka-Seltzer Cold 85.87 75.98 100.11 Cold 78.69 87.66 99.65 Cold 76.42 85.71 100.83 Cold 74.43 86.31 94.16 Hot 21.53 24.10 23.80 Hot 26.26 25.83 21.29 Hot 24.95 26.32 20.82 Hot 21.52 22.91 23.21At the 0.05 level of significance, a. is there an interaction between brand of pain reliever and water temperature? b. is there an effect due to brand? c. is there an effect due to water temperature? d. Plot the mean dissolving time for each brand for each water temperature. e. Discuss the results of (a) through (d).
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