HW4 Score Distribution

> summary(HW4)
 Min. 1st Qu. Median Mean 3rd Qu. Max. NA's 
   10    24.5   27.5 27.5   33.88   37   12
   
> stem(HW4)
Removed 12 NAs   

N = 18   Median = 27.5
Quartiles = 24, 34.5

Decimal point is 1 place to the right of the colon

   1 : 04
   1 : 6
   2 : 34
   2 : 677789
   3 : 124
   3 : 6677