Given the Following Information, Calculate Sp2, the Pooled Sample Variance $\begin{array}{ll}s_{1}^{2}=4 & s_{2}^{2}=6 \\ n_{1}=16 & n_{2}=25\end{array}$

Multiple Choice

Given the following information, calculate sp2, the pooled sample variance that should be used in the pooled-variance t test.
$\begin{array}{ll}s_{1}^{2}=4 & s_{2}^{2}=6 \\ n_{1}=16 & n_{2}=25\end{array}$

A) $s \mathrm{p}^{2}=5.00$

B) $s_{p}^{2}=4.00$

C) $s_{p}^{2}=5.23$

D) $s_{\mathrm{p}}{ }^{2}=6.00$