Compute the data using both Megastats and Excel Data, Basic Statistics

Compute the data using both Megastats and Excel Data, Basic Statistics

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AA major razor blade manufacturer advertises that its twin-blade disposable razor “gets you lots more shaves” than any single-blade disposable razor on the market. A rival company that has been very successful in selling single-blade razors plans to test this claim. Independent random samples of eight single-blade users and eight twin-blade 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 twin-blade manufacturer’s claim? a=.05. This is a t-test: Two-sample 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

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