Many people purchase sport utility vehicles (SUVs) because they think they are sturdier and hence safer than
Question:
a. Plot the data to determine whether the conditions required for the t procedures are valid.
b. Do the data support the conjecture that the mean damage is greater for SUVs than for midsize vehicles? Use α = .05 with both the t test and the Wilcoxon test.
c. Which test appears to be the more appropriate procedure for this data set?
d. Do you reach the same conclusions from both procedures? Why or why not?
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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