SOLUTION: random sample of 200 students and calculates a sample mean of 1600 and a sample standard deviation of 90 with the 95% confidence interval
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Question 881726: random sample of 200 students and calculates a sample mean of 1600 and a sample standard deviation of 90 with the 95% confidence interval
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
ME = 1.96(90/sqrt(200)) = 12.47
CI: 1600-ME < u < 1600 + ME
CI: 1600-12 < u < 1600 + 12
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