Fall 2010 exam three mean 57.7 curved to 70.4

Exam three in STAT 2023 for Fall 2010 had a mean of 57.7.  A 13 point add on curved adjusted the mean to 70.4.  The curved scores had a median of 72, standard deviation of 17.2, and a mode of 83.  The grade record including hw 1-17, exams one, two, three, and attendance checks 1-10 is posted.  Check the subtotal points for exam three that is provided in the column to the right of curved exam three.  We will discuss in class how to use that subtotal value to estimate your current grade and to figure out what you need on hw 18-20 and on the final exam in order to achieve a certain letter grade.


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