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The formula for the total degrees of freedom for the independent-samples t test is ___. Group of answer choices (N1-1)(N2-1) N1+ N2 N-1 df1+ df2

The formula for the total degrees of freedom for the independent-samplesttest is ___.

Group of answer choices

(N1-1)(N2-1)

N1+ N2

N-1

df1+ df2

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Managerial Economics

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