For each of the following studies, select the appropriate method of analyzing th
ID: 2909758 • Letter: F
Question
For each of the following studies, select the appropriate method of analyzing the data.
I am interested in comparing three different battery brands to determine if a different exists in how long, on average, the batteries last. Batteries from Duracell, Energizer, and a generic battery brand were all randomly sampled and tested in a variety of electronic devices. The goal is to compare the average battery life of the three brands and, ideally, rank the brands from best to worst.
A t-test comparing the population mean battery life of the three brands.Explanation / Answer
as her number of treatments are more than 2 ; therefore appropriate test is :
An analysis of variance (One-Way AOV) of a single factor at 3 levels, followed by a Bonferroni analysis of the treatment means, if necessary.
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