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Population of college students

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A medical researcher wishes to estimates the number of close friend that students on campus make during their first year. In a random sample of 30 students completing their freshman year, he finds a sample mean of 3 close friends with sample standard deviation of 1. Construct the 95% Confidence Interval to estimate the mean number of close friends made by the population of college students during their freshman year on campus.

Reference no: EM131061333

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