TDC 375-701
Autumn 2009
Quiz 4 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: 62.3
        Median: 60
          Mode: 40
       Std Dev: 33.8
       Minimum: 0
       Maximum: 120
         Count: 17

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

  120 ++-------------------------------------------------------------*------+
      |                                                              *      |
      |                                                              *      |
  100 ++                                              *   *  *   *   *      |
      |                                               *   *  *   *   *      |
      |                                               *   *  *   *   *      |
      |                                               *   *  *   *   *      |
   80 ++                                       *  *   *   *  *   *   *      |
      |                                        *  *   *   *  *   *   *      |
      |                                        *  *   *   *  *   *   *      |
   60 ++                               *   *   *  *   *   *  *   *   *      |
      |                                *   *   *  *   *   *  *   *   *      |
      |                                *   *   *  *   *   *  *   *   *      |
   40 ++         *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |          *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |          *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |          *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
   20 ++     *   *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |      *   *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      |
      |   +  *   *   *  *   *   *  *   *   *   *  *   *   *  *   *   *      +
    0 ++--*--*---*---*--*---*---*--*---*---*---*--*---*---*--*---*---*------+
          0      2      4       6      8       10     12     14      16     18

Students answering

   0 out of 5 correctly: 1
   1 out of 5 correctly: 1
   2 out of 5 correctly: 6
   3 out of 5 correctly: 2
   4 out of 5 correctly: 3
   5 out of 5 correctly: 3
   5 plus bonus correct: 1

By question:

  Question 1: 12 out of 17 answered correctly
  Question 2:  7 out of 17 answered correctly
  Question 3: 15 out of 17 answered correctly
  Question 4:  9 out of 17 answered correctly
  Question 5:  8 out of 17 answered correctly
       Bonus:  2 out of 17 answered correctly

$Id: grades-quiz4.txt,v 1.2 2009/10/22 04:27:02 jtk Exp $