Test Hypotheses Regarding the Difference of Two Independent Means
-And

Multiple Choice

Test Hypotheses Regarding the Difference of Two Independent Means
-and come from populations that are normal. The sample statistics are given below.
$$\begin{array} { l l } \mathrm { n } _ { 1 } = 25 & \mathrm { n } _ { 2 } = 30 \\\overline { \mathrm { x } } 1 = 19 & \overline { \mathrm { x } _ { 2 } } = 17 \\\mathrm {~s} _ { 1 } = 1.5 & \mathrm {~s} _ { 2 } = 1.9\end{array}$$

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