Given the Following Information, Calculate the Degrees of Freedom That $$\begin{array} { l l } s _ { 1 } ^ { 2 } = 4 & s _ { 2 } ^ { 2 } = 6 \\n _ { 1 } = 16 & n _ { 2 } = 25\end{array}$$

question 52

Multiple Choice

Given the following information, calculate the degrees of freedom that should be used in the pooled-variance t test.
$$\begin{array} { l l } s _ { 1 } ^ { 2 } = 4 & s _ { 2 } ^ { 2 } = 6 \\n _ { 1 } = 16 & n _ { 2 } = 25\end{array}$$

• A) df = 39
• B) df = 41
• C) df = 16
• D) df = 25

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