Compute a 99% CI For $\mu _ { 1 } - \mu _ { 2 }$

Essay

Compute a 99% CI for $\mu _ { 1 } - \mu _ { 2 }$ using the following data: $$\begin{array} { l l l l l l l l l } \text { Sample A: } & 1.72 & 0.67 & 1.55 & 1.56 & 1.42 & 1.23 & 1.77 & 0.48 \\\text { Sample B: } & 0.98 & 1.40 & 1.33 & 1.52 & 0.73 & 1.20 & &\end{array}$$