Four sections of an introductory psychology course took the same 50-point exam. The means for the four sections and the number of students in each section follow: $\begin{array}{ccc}
\text { Section } & \bar{X} & \mathrm{~N} \
\hline \text { A } & 32.61 & 25 \
\text { B } & 30.29 & 43 \
\text { C } & 29.50 & 32 \
\text { D } & 27.06 &\underline{ 39}\
&&139
\end{array}$ What is the weighted mean for students in introductory psychology?

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The Answer of Four sections of an introductory psychology course took the same 50-point exam. The means for the four sections and the number of students in each section follow: $\begin{array}{ccc}
\text { Section } & \bar{X} & \mathrm{~N} \
\hline \text { A } & 32.61 & 25 \
\text { B } & 30.29 & 43 \
\text { C } & 29.50 & 32 \
\text { D } & 27.06 &\underline{ 39}\
&&139
\end{array}$ What is the weighted mean for students in introductory psychology?

Four Sections of an Introductory Psychology Course Took the Same