If you test for the difference between the means of two independent samples, there are how many degrees of freedom?

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25-08-2022
Mathematics

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If you test for the difference between the means of two independent samples, there are how many degrees of freedom?

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Martebi Martebi · Answer 1 · 2022-08-29T06:11:28-04:00

If you test for the difference between the means of two independent samples, there is n1 + n2 - 1 degrees of freedom.

What is degrees of freedom about?

When testing for the differences between the means that exist between two independent populations that has the variances in all of their population which is still unknown but said to be equal, the degrees of freedom will be:

n1 + n2 - 1.

Therefore, If you test for the difference between the means of two independent samples, there is n1 + n2 - 1 degrees of freedom.

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