A Pharmaceutical Company Is Testing the Effectiveness of a New

Multiple Choice

A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference in effectiveness between women and men.
$\begin{array}{|l|c|c|}\hline & \text { Women } & \text { Men } \\\hline \text { Sample size } & 60 & 60 \\\hline \text { Mean effect } & 7.5 & 6.65 \\\hline \text { Sample variance } & 2.5 & 4 \\\hline\end{array}$

A) 7.85
B) 0.33
C) 0.39
D) 2.58