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A consumer magazine wants to compare the lifetimes of ballpoint pens of three different types. The magazine takes a random sample of pens of each type and the lifetimes are reported in the following table. Analyze using alpha=.01. Need a walkthrough for Minitab.

Brand1	Brand2	Brand3
260	181	238
218	240	257
184	162	241
219	218	213

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91012494

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