Many people believe that the average number of Facebook friends is 338. The population standard deviation is
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Many people believe that the average number of Facebook friends is 338. The population standard deviation is 43.2. A random sample of 50 high school students in a particular county revealed that the average number of Facebook friends was 350. At α = 0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 338?
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H 0 338 H 1 338 claim C V 165 Reject th...View the full answer
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Related Book For 
Elementary Statistics A Step By Step Approach
ISBN: 9781259755330
10th Edition
Authors: Allan G. Bluman
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