Which insect repellents protect best against mosquitoes? Consumer Reports (June 2000) tested 14 products that all claim
Question:
a. Suppose you want to use repellent type to model the cost per use (y). Create the appropriate number of dummy variables for repellent type and write the model.
b. Fit the model, part a, to the data.
c. Give the null hypothesis for testing whether repellent type is a useful predictor of cost per use (y).
d. Conduct the test, part c, and give the appropriate conclusion. Use α = .10.
e. Repeat parts a-d if the dependent variable is the maximum number of hours of protection (y).
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Related Book For
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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