Distribution for Exam 3 - PHY2049 - Fall 2009 --------------------------------------------- The average was 10.15, and the standard deviation was 2.87. As described in class, via e-mail, and on the web site, for the purpose of computing grades we are adding 2 points to everyone's score. (You can not earn more than 20 points.) The shifted average becomes 12.19, which very close to the average on Exam 1. EXAM EXAM CORRECT ANSWERS ON STUDENT EXAM 20 40 60 80 100 NUMBER SCORE . 2 4 6 8101214161820 . 2 4 6 8101214161820 . 2 4 6 8101214161820 . 2 4 6 81 0 0 : : 0 1 : : 0 2 : : 3 3 :*** :*** 9 4 :********* :********* 15 5 :*************** :*************** 31 6 :******************************* :******************************* 36 7 :************************************ :************************************ 44 8 :******************************************** :******************************************** 68 9 :******************************************************************** :******************************************************************** 63 10 :*************************************************************** :*************************************************************** 69 11 :********************************************************************* :********************************************************************* 62 12 :************************************************************** :************************************************************** 41 13 :***************************************** :***************************************** 30 14 :****************************** :****************************** 16 15 :**************** :**************** 10 16 :********** :********** 3 17 :*** :*** 1 18 :* :* 1 19 :* :* 0 20 : :