Data Were Collected on the Weights for the Entire Roster $F$

Data were collected on the weights for the entire roster of the 2005 Cal Poly football team. Individuals were classified as playing offense, defense, or special teams. Suppose you want to consider these data as representative of all collegiate football players and want to compare the average weight of the players in these three groups.
-Use the output to determine the value of the $F$ statistic. Show your calculation.