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PH1690:   Foundations of Biostatistics PH1690:   Foundations of Biostatistics

PH1690: Foundations of Biostatistics - PowerPoint Presentation

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Uploaded On 2018-10-23

PH1690: Foundations of Biostatistics - PPT Presentation

L82 Two Sample Hypothesis Testing 1 Objective Understand how to conduct appropriate ttests for two independent samples 2 Two Independent Samples Numerator of t statistic difference of sample means ID: 694406

test equal variance variances equal test variances variance vitamin sample unequal ratio statistic standard deviations data independent pooled hypothesis

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