Archive for Gabriela Pacurar

Various distributions in statistics

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Standard deviation

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Dispersion in statistics: standard deviation, variance and range

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Quiz: standard deviation

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Confidence intervals

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P value and type I (alfa) error

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How to calculate confidence intervals

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Quiz: calculating confidence intervals

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Confidence interval plots and confidence intervals for relative risk and odds ratio

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Hypothesis testing in statistical studies: p value, type I (alfa) error, type II (beta) error, power of study, null hypothesis

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