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4.5: Homoscedasticity and Heteroscedasticity
https://stats.libretexts.org/Bookshelves/Applied_Statistics/Biological_Statistics_(McDonald)/04%3A_Tests_for_One_Measurement_Variable/4.05%3A_Homoscedasticity_and_Heteroscedasticity
Parametric tests assume that data are homoscedastic (have the same standard deviation in different groups). To learn how to check this and what to do if the data are heteroscedastic (have different st...Parametric tests assume that data are homoscedastic (have the same standard deviation in different groups). To learn how to check this and what to do if the data are heteroscedastic (have different standard deviations in different groups).

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