Find the Standardized Test Statistic, T , to Test $\mu _ { 1 } = \mu _ { 2 }$

Multiple Choice

Find the standardized test statistic, t , to test the hypothesis that $\mu _ { 1 } = \mu _ { 2 }$ Two samples are randomly selected and come from populations that are normal. The sample statistics are given below.
$\begin{array} { l l } \mathrm { n } _ { 1 } = 25 & \mathrm { n } _ { 2 } = 30 \\\overline { \mathrm { x } } 1 = 16 & \overline { \mathrm { x } } 2 = 14 \\\mathrm {~s} _ { 1 } = 1.5 & \mathrm {~s} _ { 2 } = 1.9\end{array}$

A) 4.361
B) 3.287
C) 2.892
D) 1.986