TDC 375-701
Autumn 2009
Quiz 5 Class Results

There were 5 questions plus a bonus question, each worth equal value.
Assuming each question was worth 20 points, statistics are as follows:

  Mean Average: 50.9
        Median: 60
          Mode: 80
       Std Dev: 31.7
       Minimum: 0
       Maximum: 100
         Count: 17

The following is a plot of the distribution of grades for 17 students.

  100 ++-------------------------------------------------------------*------+
      |                                                              *      |
      |                                                              *      |
      |                                                              *      |
   80 ++                                          *   *   *  *   *   *      |
      |                                           *   *   *  *   *   *      |
      |                                           *   *   *  *   *   *      |
      |                                           *   *   *  *   *   *      |
   60 ++                               *   *   *  *   *   *  *   *   *      |
      |                                *   *   *  *   *   *  *   *   *      |
      |                                *   *   *  *   *   *  *   *   *      |
      |                                *   *   *  *   *   *  *   *   *      |
   40 ++                *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |                 *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |                 *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |                 *   *   *  *   *   *   *  *   *   *  *   *   *      |
   20 ++             *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |              *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |              *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |   +      +   *  *   *   *  *   *   *   *  *   *   *  *   *   *      +
    0 ++--*--*---*---*--*---*---*--*---*---*---*--*---*---*--*---*---*------+
          0      2      4       6      8       10     12     14      16     18

Students answering

   0 out of 5 correctly: 3
   1 out of 5 correctly: 1
   2 out of 5 correctly: 4
   3 out of 5 correctly: 3
   4 out of 5 correctly: 5
   5 out of 5 correctly: 1

By question:

  Question 1: 14 out of 17 answered correctly
  Question 2:  7 out of 17 answered correctly
  Question 3:  7 out of 17 answered correctly
  Question 4:  5 out of 17 answered correctly
  Question 5: 10 out of 17 answered correctly

$Id: grades-quiz5.txt,v 1.1 2009/10/29 04:00:10 jtk Exp $