7.9 An Example of a Paired-Difference t Test and Confidence Interval

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An example of a paired-difference t test and confidence interval.

The data used in this video is from:

Penetar et al. (2012). The isoflavone puerarin reduces alcohol intake in heavy drinkers: A pilot study. Drug and Alcohol Dependence, 126:256-261. Values used in this video are simulated values based on the summary statistics found in the paper. (The summary statistics, test statistic, p-value, and overall conclusions are the same.)

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