What Is the Formula Used to Calculate Degrees of Freedom

question 13

Multiple Choice

What is the formula used to calculate degrees of freedom for a t-test?

• A)n₁ − 1 + n₂ − 1
• B)n₁ + n₂ − 1
• C)n₁ − 1 + n₂
• D)n₁ + n₂

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