Which average ?
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Split the class up into two groups.
Hand out a copy of the Atlanta Braves Salaries for 1994 to
each group.
Group one must convince Group two to sign with the Atlanta
Braves instead of another team.
Group two must convince Group one that they are underpaid and
need a raise.
Groups can only use the concept of average to make their claim.
Teacher Input
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Let students present their claims.
Point out which average they used and ask why?
1994 Braves Salaries: The Data Library
4,750,000; 4,000,000; 3,750,000; 3,750,000; 3,250,000; 3,200,000;
3,200,000; 2,916,667; 2,800,000; 1,400,000; 1,225,000; 1,100,000;
800,000; 750,000; 700,000; 575,000; 550,000; 500,000; 245,000;
180,000; 158,000; 150,000; 111,500; 111,500; 111,500; 109,000;
109,000
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mean - 1,500,080
median - 750,000
mode - 111,500
standard deviation - 1,528,796
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