In Testing for the Differences Between the Means of 2

question 121

Multiple Choice

In testing for the differences between the means of 2 independent populations where the variances in each population are unknown but assumed equal,the degrees of freedom are

• A)n - 1.
• B)n₁ + n₂ - 1.
• C)n₁ + n₂ - 2.
• D)n - 2.

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