Exam 1 statistics
*****************

N              =  33
Average        =  54
Stand Deviation=  18
Median         =  55

Exam 2 statistics
*****************

N              =  32
Average        =  195
Stand Deviation=  66
Median         =  204

Distribution
333 - 273  5
273 - 213  8
213 - 153  12
153 -  93  4
 93 -   0  3
          === 
          32

Exam 3 statistics
*****************

N              = 29
Average        = 84
Stand Deviation= 19
Median         = 88

Exam 4 statistics
*****************

N              = 28
Average        = 182
Stand Deviation= 50
Median         = 182