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ENEL 339 Fall 1999 Midterm Statistics and Approximate Letter Grades

This page is maintained by Steve Norman
Last modified: Thu Nov 25 10:50:38 MST 1999

Contents

Statistics on test scores

Here is a histogram of scores out of 87. 
86
83 83 82 82 81 81 80 80 80 80 80
79 79 78 78 78 78 78 77 77 77 77 77 76 76 76 76 76 76 76 75 75 75 75
74 74 74 74 74 73 73 73 73 73 73 72 72 72 72 72 71 71 71 71 71 70 70 70 70
69 69 69 69 68 68 68 67 67 67 67 67 66 66 66 65 65
64 64 64 64 64 64 63 63 63 63 62 62 61 61 61 60
59 59 59 59 57 57 56 56 55 55
54 54 54 54 54 54 54 54 53 53 53 53 53 52 51 51 50 50
48 48 48 47 47 45 45
44 44 41 41 41 40 40 40
39 38
33 31
less than 30: 1 paper
Here are some statistics: 
number of papers marked: 141

highest score:         86 / 87
75th percentile score: 75 / 87 (this score is better than 3/4 of the scores)
median score:          67 / 87 (this score is better than 1/2 of the scores)
25th percentile score: 54 / 87 (this score is better than 1/4 of the scores)

average score:       64.0 / 84
standard deviation:  13.2 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 I convert your overal course score to a letter grade. 
SCORE OUT OF 84         APPROXIMATE LETTER GRADE EQUIVALENT

  74-87                    A- or A
  58-73                    B-, B, or B+
  42-57                    C-, C, or C+
   0-43                    D, D+ or F
Reminder: You must get at least 50 percent on labs and 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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