Question

This graph shows the relationship the number of days
since the NBA season began and the number of injuries,
over the course of three different seasons. In 2011–12,
the season was shortened by a labor strike.

Of statements A–D, which of the following is NOT a cor-
rect conclusion that can be drawn from this graph?
A) There is a fairly strong linear relationship between days
since the start of the season and the number of injuries.
B) At first the rate of injuries was higher during the
strike-shortened season.
C) As the strike-shortened season continued the number
of injuries became similar to the other two seasons.
D) While the strike-shortened season had more injuries
initially, we cannot know for certain if the strike caused
the difference or if it was attributable to other variables.
E) All of A-D are correct.
Cumulative Number of Injuries in NBA, by season
1500
2009-10
- 2010–11
2011-12
1000
500
50
100
150
Days since start of regular season
Number of injuries
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Transcribed Image Text

Cumulative Number of Injuries in NBA, by season 1500 2009-10 - 2010–11 2011-12 1000 500 50 100 150 Days since start of regular season Number of injuries