814 B
814 B
2016-11-17
Quants support academia UoN
Describe your new note here.
Use ANOVA when you have more than two groups
Trimming is giving the outlier the highest normal value
Signifiance in Shapiro/Smirnov normality tests is not a good thing. It means the data is not normal (parametric)
For an indepdendent sample-t test you need homogeneity of variance (calculated with Laveene (looks at homogeniety of variance) test and Bartlets (looks at equality of variance) test)
For a Paired Sample's t-test you need
Sphereicity is data making sense, test that's the variants between participats is not too far apart
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