What Are Statistics?Populations and SamplesRandom SamplingPresenting DataFrequencies, Percentages, Proportions and RatesTypes of DataMean, Median and ModeCentilesStandard DeviationStandard ErrorNormal DistributionConfidence IntervalsProbabilityHypothesis Tests and P-ValuesThe t-TestsData CheckingParametric and Non-Parametric TestsCorrelation and Linear RegressionAnalysis of Variance and Some Other Types of RegressionChi-Squared TestStatistical Power and Sample Size Effect Size What Is Epidemiology? Bias and Confounding Measuring Disease Frequency Measuring Association in Epidemiology Prevalence Studies Questionnaires Cohort Studies Case-Control Studies Randomised Controlled Trials Screening Evidence-Based Healthcare Glossary of TermsAppendix 1 Statistical Tables Appendix 2 Exercises Appendix 3 Answers toExercises
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