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Statistical tests 

Statistical tests
Statistical tests

Janet L. Peacock

and Philip J. Peacock

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date: 20 June 2018

Introduction 238

Samples and populations 240

Confidence interval for a mean 242

95% confidence interval for a proportion 244

Tests of statistical significance 246

P values 248

Statistical significance and clinical significance 250

t test for two independent means 252

t test for two independent means: example ...

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