If the independent variable has a real effect, the t test for independent groups assumes s ₁² = s ₂² .

Name: If the independent variable has a real effect, the t test for independent groups assumes s 1 2 = s 2 2 .
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This assumption is true for the t test for independent groups. It assumes that the variance of the population from which the first sample is drawn (₁²) is equal to the variance of the population from which the second sample is drawn (₂²).

If the Independent Variable Has a Real Effect, the T