Statistics for Exam 1, 16 September, 1998


Variable        N     Mean   Median   TrMean    StDev   SEMean
Exam 1        102   158.03   160.50   158.67    19.69     1.95

Variable      Min      Max       Q1       Q3
Exam 1     109.00   195.50   144.00   173.50

APPROXIMATE GRADES

> 177 A
> 167 B
> 148 C
> 138 D
<= 138 R

Histogram of Exam 1   N = 102

    1   10 9
    1   11
    5   11 5689
    8   12 123
    8   12
   13   13 01234

   19   13 678899
   28   14 000234444
   36   14 5

        14 7888999
   43   15 0011244
   51   15 55666899
   51   16 123444
   45   16 5566677

        16 88899
   33   17 0001111334
   23   17 55666

        17 7799
   14   18 1144
   10   18 555556678
    1   19
    1   19 5