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# Parametric Tests

Updated: Jul 14, 2020

Parametric statistics is a branch of statistics which assumes that sample data come from a population that can be adequately modeled by a probability distribution that has a fixed set of parameters. The normal family of distributions all have the same general shape and are parameterized by mean and standard deviation. That means that if the mean and standard deviation are known and if the distribution is normal, the probability of any future observation lying in a given range is known.

Check Normality and Homoscedasticity.

• Student's t-test

• Paired Student's  t-test

• One way ANOVA

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