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March 29, 2015

Homework Help: Statistics

Posted by Bob on Saturday, August 25, 2012 at 5:57pm.

An instructor has graded 25 exam papers submitted by students in a class of 26 students, and the average so far is 71. (The maximum possible score is 100.)

A) To raise the class average by 1 point, the score on the last paper has to be:

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