Wednesday
July 30, 2014

Homework Help: math

Posted by Nicci on Sunday, April 4, 2010 at 10:57pm.

A teacher allows the students to each "throw out" their lowest test score in order to increase their
overall grade. The original mean score of 5 tests is 72.8. After the removal of the lowest test, the
mean score becomes 78.5. What is the score of the removed test?

A) 53 B) 50 C) 47 D) 51

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