Statistics for Exam 2, 22 October, 1997

Variable        N     Mean   Median   TrMean    StDev   SEMean
Exam 2         97   151.03   157.00   152.83    27.04     2.75
 
Variable      Min      Max       Q1       Q3
Exam 2      65.00   192.00   136.75   170.50
 
Stem-and-leaf of Exam 2    N  = 97
Leaf Unit = 1.0
 
 
    1    6 5
    3    7 35
    3    8 
    4    9 4
    9   10 12488
   14   11 33579
   18   12 0357
   26   13 12234678
   39   14 1222345577899
  (16)  15 1245556677888899
   42   16 22244555667778899
   25   17 0122344455688899
    9   18 023555
    3   19 122


Thus, to gauge your performance:

>= 178 Excellent
>= 165 Good
>= 138 OK
>= 125 Poor
< 125  Very Poor