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Chapter 10: Comparing Two Populations or Groups

Chapter 10: Comparing Two Populations or Groups. Section 10.2 Comparing Two Means. Introduction In the previous section, we developed methods for comparing two proportions. What if we want to compare the mean of some quantitative variable for the individuals in Population 1 and Population 2?.

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A randomized comparative experiment examined/tutorialoutlet

FOR MORE CLASSES VISIT tutorialoutletdotcom 1. A randomized comparative experiment examined whether a calcium supplement in the diet reduces the blood pressure of healthy men. The subjects received either a calcium supplement or a placebo for 12 weeks. The statistical analysis was quite complex, but one conclusion was that "the calcium group had lower seated systolic blood pressure (P = 0.008) compared with the placebo group."

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Calcium group - PowerPoint PPT Presentation

Chapter 10: Comparing Two Populations or Groups

A randomized comparative experiment examined/tutorialoutlet