Exam 1 statistics                   	   Exam 2 statistics                   
*****************                  	   *****************                  
(reported on  3/12)                        (reported on  5/12)
N              =  28                       N              =   28
Average        =  226  	                   Average        =   204
Stand Deviation=  53                       Stand Deviation=   58
Median         =  210                      Median         =   197
	                                   Min = 100-120,  Max = 320-333
	
Qz  1  statistics 	                   Qz  2  statistics 
*****************	                   *****************
N              = 27  	                   N              = 25
Average        = 40 out of 50              Average        = 23 out of 35
Stand Deviation=  6  	                   Stand Deviation=  5
Median         = 41  	                   Median         = 23
 posted: 2/24                               posted: 3/31
	
Qz  3  statistics 	                   Qz  4  statistics 
*****************	                   *****************
N              = 24  	                   N              = 23
Average        = 49 out of 60              Average        = 34 out of 50
Stand Deviation= 10  	                   Stand Deviation=  7
Median         = 49  	                   Median         = 32
posted on 4/7                               posted on 4/14
	
Qz  5  statistics 	                   Qz  6  statistics    
*****************	                   *****************
N              = 19                        N              = 24
Average        = 40                        Average        = 34
Stand Deviation=  6                        Stand Deviation= 8
Median         = 41                        Median         = 35
posted on 4/28                             posted on 5/5
	
Definitions	Definitions
===========	===========
Average         =  Sum of grades divided by number of exams	
Stand Deviation =  Shows dispersion of grades. Roughly, 2/3 of the grades are	
                   within 37 +/- 12 , and 95% within  37 +/-  2*12 if ave is 37 and std 12
Median          =  Half of the students got that much or less (and half, more than that).


Last update: May  11, 2014