TDC 375-701 Autumn 2009 Quiz 3 Class Results There were 5 questions, each worth equal value. Assuming each question was worth 20 points, statistics are as follows: Mean Average: 55.5 Median: 60 Mode: 60 Std Dev: 20.06 Minimum: 0 Maximum: 100 Count: 18 The following is a plot of the distribution of grades for 18 students. 100 ++--------------------------------------------------------------------+ | | | | | | 80 ++ * * * | | * * * | | * * * | | * * * | 60 ++ * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * | 40 ++ * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * | 20 ++ * * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * * | | * * * * * * * * * * * * * * * * * | | + * * * * * * * * * * * * * * * * * | 0 ++--*--*---*--*---*--*---*--*---*--*---*--*---*--*---*--*---*--*------+ 0 5 10 15 Students answering 0 out of 5 correctly: 1 1 out of 5 correctly: 1 2 out of 5 correctly: 2 3 out of 5 correctly: 11 4 out of 5 correctly: 3 5 out of 5 correctly: 0 By question: Question 1: 17 out of 18 answered correctly Question 2: 15 out of 18 answered correctly Question 3: 14 out of 18 answered correctly Question 4: 3 out of 18 answered correctly Question 5: 1 out of 18 answered correctly $Id: grades-quiz3.txt,v 1.1 2009/10/02 03:25:06 jtk Exp $