Find the Standardized Test Statistic, T, to Test the Hypothesis

Multiple Choice

Find the standardized test statistic, t, to test the hypothesis that μ1 = μ2. Two samples are randomly selectedand $$\begin{array} { l l } \mathrm { n } _ { 1 } = 14 & \mathrm { n } _ { 2 } = 12 \\\overline { \mathrm { x } } 1 = 5 & \overline { \mathrm { x } } 2 = 6 \\\mathrm {~s} _ { 1 } = 2.5 & \mathrm {~s} _ { 2 } = 2.8\end{array}$$ come from populations that are normal. The sample statistics are given below.

A) -0.954
B) -0.915
C) -1.558
D) -0.909