+0  
 
0
500
1
avatar+237 

 

thx

 Mar 7, 2021
 #1
avatar+37146 
+1

Sam is one standard deviation above the mean with a score of 630

   this puts him at z-score  .8621        so  86.21 % got a lower score than Sam

 Mar 7, 2021

3 Online Users