Top Broadcast Shows. The viewing audiences, in millions, for the top 20 television shows, as determined by the Nielsen Ratings for the week ending October $26,2008,$ are shown in the following table. Use cutpoint grouping with a first class of 12-under 13.
$$\begin{array}{lllll}\hline 19.492 & 18.497 & 17.226 & 16.350 & 15.953 \\15.479 & 15.282 & 15.012 & 14.634 & 14.630 \\14.451 & 14.390 & 13.505 & 13.309 & 13.277 \\13.085 & 13.059 & 12.816 & 12.777 & 12.257 \\\hline\end{array}$$