MAS202_-_SP_2023_-_FE_299.webp
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MAS202_-_SP_2023_-_FE_299.webp

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Answer (Choose 1 answer)
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If we are testing for the difference between the means of 2 related populations with samples of n₁ = 20 and 12 = 20, the number of degrees of freedom is equal to
A. 18
B. 38
C. 19
D. 39

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