a.
Provide the null and alternative hypotheses for the main effects.
b.
From partial boxplot, explain the details of F-test about the two main effects that are suspected.
c.
Explain whether fitting an interaction term should be considered.
d.
If an interaction term is fitted, explain whether it is suspected to be significant based on the interaction plot.
e.
Find the effects that appear to be significant.
f.
Describe about the factor effects.
g.
Find the size of the estimated standard deviation of the errors.
Explain whether it seems to be reasonable, given the partial boxplots.
h.
Give recommendations to increase the typing speed.
i.
Explain about the reservations that exist about the conclusion.
Want to see the full answer?
Check out a sample textbook solutionChapter R Solutions
Stats: Data And Models Plus Mylab Statistics With Pearson Etext -- Access Card Package (5th Edition)
- MATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th...StatisticsISBN:9781305251809Author:Jay L. DevorePublisher:Cengage LearningStatistics for The Behavioral Sciences (MindTap C...StatisticsISBN:9781305504912Author:Frederick J Gravetter, Larry B. WallnauPublisher:Cengage Learning
- Elementary Statistics: Picturing the World (7th E...StatisticsISBN:9780134683416Author:Ron Larson, Betsy FarberPublisher:PEARSONThe Basic Practice of StatisticsStatisticsISBN:9781319042578Author:David S. Moore, William I. Notz, Michael A. FlignerPublisher:W. H. FreemanIntroduction to the Practice of StatisticsStatisticsISBN:9781319013387Author:David S. Moore, George P. McCabe, Bruce A. CraigPublisher:W. H. Freeman