During the Off Season, Sprinters on the Track Team Were

Essay

During the off season, sprinters on the track team were randomly assigned to the bicycle training group or the traditional training group. After the off season, all sprinters ran a 200 meter dash; times are shown below. What can you conclude about bicycle training? $$\begin{array} { l l l l l l l l l l l } \text { Bicycle } & 21.0 & 21.5 & 21.3 & 20.8 & 21.2 & 20.7 & 20 . & 21.4 & 20.9 & 20.4 \\\text { Traditional } & 21.1 & 21.6 & 20.6 & 22.4 & 21.9 & 20.5 & 21.7 & 22.6 & 21.8 & 22.1\end{array}$$