Use the modified Levene test to determine if the assumption of equal variances is satisfied in Problem
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Use the modified Levene test to determine if the assumption of equal variances is satisfied in Problem 3-14. Use α = 0.05. Did you reach the same conclusion regarding the equality of variances by examining residual plots?
Problem 3-14.
Three brands of batteries are under study. It is suspected that the lives (in weeks) of the three brands are different. Five batteries of each brand are tested with the following results:
Transcribed Image Text:
Weeks of Life Brand 1 Brand 2 Brand 3 100 76 108 96 80 100 92 75 96 96 84 98 92 82 100
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o determine if the assumption of equal variances is satisfied in Problem 314 we can use the modified Levene test The modified Levene test is a statist...View the full answer
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