The director of the Riley County, Kansas, library system would like to forecast evening patron usage for next week. Below are the data for the past 4 weeks: \begin{tabular}{lcccccc} \hline & Mon & Tue & Wed & Thu & Fri & Sat \\ \hline Week 1 & 202 & 184 & 253 & 207 & 159 & 187 \\ Week 2 & 206 & 188 & 253 & 203 & 164 & 193 \\ Week.3 & 212 & 183 & 268 & 213 & 171 & 197 \\ Week 4 & 217 & 184 & 268 & 217 & 177 & 197 \\ \hline \end{tabular} a) Calculate a seasonal index for each day of the week (enter your responses rounded to three decimal places). \begin{tabular}{|c|c|c|c|c|c|c|} \hline & Mon & Tue & Wed & Thu & Fri & Sat \\ \hline Seasonal index & & & & & & \\ \hline \end{tabular}