Using the sample data given in Exercise 1, construct a 95% confidence interval estimate of the difference

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Using the sample data given in Exercise 1, construct a 95% confidence interval estimate of the difference between the two population means. Do the confidence interval limits contain 0? What do you conclude about the difference between the control group and experimental group?
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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