Many people believe that the average number of Facebook friends is 135. The population standard deviation...

Many people believe that the average number of Facebook friends is 135. The population standard deviation is 37.7. A random sample of 38 high school students in a particular county revealed that the average number of Facebook friends was 151. At α=0.05, is there sufficient evidence to conclude that the mean number of friends is greater than 135?

(a)State the hypotheses and identify the claim.

(b)Find the critical value.

(c)Compute the test value.

(d)Make the decision.

(e)Summarize the results.

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orchestra answered 11 months ago

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