Do the data support the twin-blade manufacturers claim

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Reference no: EM131640750

A 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 88change blades is recorded.

Do the data support the twin-blade manufacturer's claim? ?=.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

Reference no: EM131640750

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