Problem:

 

The chart below shows the best time for  9th grade girls track team in the 100-meter hurdles. 

 

Year

Best Time (sec)

1971

23.5

1976

21.8

1981

20.2

1986

18.7

1991

17.3

1996

16.0

2001

14.8

 

 

 

 

 

 

 

 

 

 

 

 

1.   Use this information to predict what the best time would be for the 2006 season.  Support the prediction with lists, charts, graphs, pictures diagrams, equation(s), written arguments, or statistics.

 

2.   Using your model from question one, predict the year the best time would break the 13-second barrier.  Support the prediction with lists, charts, graphs, pictures diagrams, equation(s), written arguments, or statistics.