Compute the 90% Rank-Sum CI For $$\mu _ { 1 } - \mu _ { 2 }$$

Essay

Compute the 90% rank-sum CI for $$\mu _ { 1 } - \mu _ { 2 }$$ using the following data: $$\begin{array} { l l l l l l } \text { Sample A: } & 229 & 286 & 245 & 299 & 250 \\\text { Sample B: } & 213 & 179 & 163 & 247 & 225\end{array}$$