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How Do You Know If Variance Is Equal Or Unequal? [Solved]
Use the Variance Rule of Thumb. As a rule of thumb, if the ratio of the larger variance to the smaller variance is less than 4 then we can assume the variances are approximately equal and use the Student’s t-test.11 Apr 2021
Two Sample t-Test:Equal vs Unequal Variance Assumption| Statistics Tutorial #24| MarinStatsLectures
In this statistics tutorial, we learn about the assumption of
How To… Test for Equal and Unequal Variance (F Test) by Hand
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How To… Test for Equal and Unequal Variance (F test) in Excel 2013
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