The bar graph displays the changes of three different teams’ scores throughout four seasons.
Overall, almost all groups demonstrated a decline, except for team A that slightly increased in the last season. All teams’ trends had fluctuations. Nevertheless, team B got the highest score in 2002 and remained in the top position in 2005.
In terms of group A, they got five points in the beginning of the period and kept surging to reach their best mark, which was 35 points, then fell sharply to eight points in 2005, this score surpassed group C’s grade. A similar trend was observed in group C, which rose five points in a year and gradually dropped to five points, reaching a nadir among all teams at the end of the observation.
On the other hand, team B showed a contrasting trend owing to the fact that at the start, they recorded 82 points. Later, their grade decreased nearly half of their score to 43 points in 2004, thereafter it went up to 55 points in 2005, establishing themselves as the best group.
