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In an experiment to compare two different types of long-lasting razor blades, A and B, 20 men were asked to shave with a blade of type A for one week and then with a blade of type B for one week. At the end of this period, 15 men thought that blade A gave a smoother shave than blade B. and the other 5 men thought that blade B gave a smoother shave. Test the null hypothesis that blade A does not tend to give a smoother shave than blade B against the alternative that blade A tends to give a smoother shave than blade B.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92663051

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