TDC 375-701 Autumn 2009 Quiz 1 Class Results There were 5 questions, each worth equal value. Assuming each question were worth 20 points, statistics are as follows: Mean Average: 64.4 Median: 60 Mode: 60 Std Dev: 23.3 Minimum: 20 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: 0 1 out of 5 correctly: 2 2 out of 5 correctly: 1 3 out of 5 correctly: 9 4 out of 5 correctly: 3 5 out of 5 correctly: 3 By question: Question 1: 13 out of 18 answered correctly Question 2: 12 out of 18 answered correctly Question 3: 15 out of 18 answered correctly Question 4: 14 out of 18 answered correctly Question 5: 3 out of 18 answered correctly $Id: grades-quiz1.txt,v 1.1 2009/09/19 15:13:24 jtk Exp $