In Testing for Differences Between the Means of Two Related

question 268

Multiple Choice

In testing for differences between the means of two related populations where the variance of the differences is unknown, the degrees of freedom are

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

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