Thread: confidence level
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Old June 30th, 2009, 07:25 PM
chrissy72 chrissy72 is offline
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so for this question i use the mean of the values before the program (\mu_{0}) and the mean of the values after (\bar{x}) then s would be the SD of \bar{x}? I though I had to use the info calculated from the difference (of which I got one number wrong that changed all my answers)
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