Question: In testing for the differences between the means of two independent populations where the variances in each population are unknown but assumed equal, the degrees

In testing for the differences between the means of two independent populations where the variances in each population are unknown but assumed equal, the degrees of freedom is:

	a.	n₁ + n₂
	b.	n₁ + n₂ 2
	c.	n₁ + n₂ 1
	d.	None of these choices

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