Math, asked by mathhelp8428, 1 month ago

1. Facebook Friends. Many people believe that the average number of Facebook friends is 130. The population standard deviation is 38.2. A random sample of 50 high school students in a particular county revealed that the average number of Facebook friends was 162. At alpha at 0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 130?

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Answered by manjiripatil2911

1

Answer:

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Step-by-step explanation:

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