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ENCM 369 Winter 2004 Midterm Statistics and Approximate Letter Grades

This page is maintained by Steve Norman
Last modified: Thu Mar 11 20:44:33 MST 2004

Contents

Statistics on test scores

These statistics are based on combined data from lecture sections L01 and L02.

Here is a histogram of scores out of 57. Each star in a bar of the bar graph is one paper. For example, the first line says that 4 students scored 55, 56, or 57 out of 57. 

55-57 ****
50-54 *******************
45-49 ************************
40-44 ****************************
35-39 **********************************
30-34 ****************************
25-29 ***************
20-24 **********
15-19 *************
 0-15 ***
Here are some statistics: 
number of papers marked: 178

highest score:         57 / 57
75th percentile score: 45 / 57 (this score is better than 3/4 of the scores)
median score:          38 / 57 (this score is better than 1/2 of the scores)
25th percentile score: 30 / 57 (this score is better than 1/4 of the scores)

average score:       36.9 / 56
standard deviation:  10.8 points

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Unofficial, approximate letter grade equivalents

These are UNOFFICIAL, and apply only to the mid-session test. I do NOT promise to use the same scale when we convert your overall course score to a letter grade. 
SCORE OUT OF 57         APPROXIMATE LETTER GRADE EQUIVALENT

  48-57                    A-, A, or A+
  38-47                    B-, B, or B+
  28-37                    C-, C, or C+
   0-27                    D, D+ or F

Reminder: You must get at least 40 percent on the final exam to pass the course; to have a chance of getting C- or higher, you need at least 50 percent on the final.

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