One Interval One Nominal

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Two variables: One Interval, One Nominal

The interval variable is dependent and you want to test for significant differences between groups

Are you willing to assume that the interval scaled variable is normally distributed in the population?
Yes		No
Do you want to test the equality of means or of variances of the dependent variable for different categories of the independent variable?		Do you want to test the equality of variances of the dependent variable for different categories of the independent variable?
Means	Variances	Yes	No