distribution_S12

Chem 220b, section 1, Spring 2012

Exam 1 (02/07/2012)

mean = 78.5 %, std. dev. 14.5; median = 80.5

Exam 2 (03/01/2012)

mean = 81.6 %, std. dev. 12.2; median = 83

Two exam average

mean = 80.0, std. dev. 11.9; median = 82

Exam 3 (04/05/2012)

mean = 78.3, std. dev. 14.4; median 80

Three exam average

mean = 79.4, std. dev. 11.9; median 80.8