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Mathematics 9 Online
OpenStudy (anonymous):

A professor at Cecil College thinks that the number of Facebook friends that Cecil College students have is probably skewed right with a mean of 240 and a standard deviation of 187. We will take a sample of 110 Cecil College students a. Describe the distribution of the sample mean. Give the name, the mean, and the standard deviation of this distribution. Draw a picture and label that picture completely. b. Suppose you have 295 friends. Is that unusual? c. Suppose our sample of 110 students had a mean of 295 friends. Was that unusual? Justify.

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