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Compute the data using both Megastats and Excel Data, Basic Statistics
AA major razor blade manufacturer advertises that its twinblade disposable razor “gets you lots more shaves” than any singleblade disposable razor on the market. A rival company that has been very successful in selling singleblade razors plans to test this claim. Independent random samples of eight singleblade users and eight twinblade users are taken, and the number of shaves that each gets before indicating a preference to change blades is recorded. Do the data support the twinblade manufacturer’s claim? a=.05. This is a ttest: Twosample independent groups assuming equal variances.
Twin Blades Single Blades
8 10
17 6
9 3
11 7
15 13
10 14
6 5
12 7
Posted Date: 9/10/2016 9:14:07 PM  Location : United States
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