# Statistics help - 95% Confidence Interval
Asked Oct 10, 2011, 05:51 PM
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| Senior in college trying to survive statistics.
I am not asking for the answer, just please help me understand what I'm doing.
I have a sample size of 50, with a mean of 89.14, a population mean of 100 and SD of 25.
Alpha is .05. How do I find the 95% confidence interval? What is a confidence interval? Please help. | ##
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