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The chart shows the average absolute change in win percentage for all the teams in a league for each season shown. For instance, the value for the NBA in 2007 is based on the average absolute change in win percentages between the 2006-2007 season and the 2007-2008 season.
Identify and estimate any missing data points.
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There is a data point missing for the NHL in 2004. Drawing a straight line between the values for 2003 and 2005, you can estimate that the value is 0.08.
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The chart shows the average absolute change in win percentage for all the teams in a league for each season shown. For instance, the value for the NBA in 2007 is based on the average absolute change in win percentages between the 2006-2007 season and the 2007-2008 season.
Which major sports league has the most competitive balance? Explain your reasoning.
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The chart shows the average absolute change in win percentage for all the teams in a league for each season shown. For instance, the value for the NBA in 2007 is based on the average absolute change in win percentages between the 2006-2007 season and the 2007-2008 season.
In the 2009-2010 season, an NBA team won 50 out of 82 games. How many games would you expect the team to win in the 2010-2011 season?
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The average NBA team's win percentage varies by about 0.10 every year. In the 2009-2010 season, the team's win percentage was about 0.61.
So, next year you would expect the team's win percentage to be in the range 0.61 ± 0.10, or from 0.51 to 0.71. This means that you would expect the team to win from 0.51(82) ≈ 42 to 0.72(82) ≈ 58 games.
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The chart shows the average absolute change in win percentage for all the teams in a league for each season shown. For instance, the value for the NBA in 2007 is based on the average absolute change in win percentages between the 2006-2007 season and the 2007-2008 season.
Do you agree with the following comment? Use the chart to explain your reasoning.
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Use the chart to identify the frostbite risk for camping in -15°F weather with a 20 mph wind.
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From the graph, you can see that -15°F weather and 20 mph wind means that there is danger of frostbite.
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Use the chart to identify the frostbite risk for hiking in 0°F weather with a 5 mph wind.
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Use the chart to identify the frostbite risk for skiing in -30°F with a 25 mph wind.
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From the graph, you can see that -30°F weather and 25 mph wind means that there is extreme danger of frostbite.
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Use the chart to identify the frostbite risk for climbing in -25°F weather with a 10 mph wind.
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