Difference between revisions of "2005 AMC 12B Problems/Problem 9"
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== Problem == | == Problem == | ||
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On a certain math exam, <math>10%</math> of the students got <math>70</math> points, <math>25%</math> got <math>80</math> points, <math>20%</math> got <math>85</math> points, <math>15%</math> got <math>90</math> points, and the rest got <math>95</math> points. What is the difference between the mean and the median score on this exam? | On a certain math exam, <math>10%</math> of the students got <math>70</math> points, <math>25%</math> got <math>80</math> points, <math>20%</math> got <math>85</math> points, <math>15%</math> got <math>90</math> points, and the rest got <math>95</math> points. What is the difference between the mean and the median score on this exam? | ||
== Solution == | == Solution == | ||
Revision as of 12:05, 19 January 2011
Problem
On a certain math exam, $10%$ (Error compiling LaTeX. Unknown error_msg) of the students got 
points, $25%$ (Error compiling LaTeX. Unknown error_msg) got 
points, $20%$ (Error compiling LaTeX. Unknown error_msg) got 
points, $15%$ (Error compiling LaTeX. Unknown error_msg) got 
points, and the rest got 
points. What is the difference between the mean and the median score on this exam?
