Matricula P1
GRR20096665 25
GRR20096668 19.5
GRR20096669 25
GRR20075643 19
GRR20096670 25
GRR20096673 20.5
GRR20096676 21
GRR20096677 23.5
GRR20096683 25
GRR20066031 20.5
GRR20096684 24
GRR20096686 25
GRR20096688 22
GRR20096690 21
GRR20096691 23
GRR20096694 25
GRR20066044 NA
GRR20096707 19.5
GRR20096731 23
GRR20096733 18.5
GRR20096737 21
GRR20096740 17.5
GRR20096741 25
GRR20096743 19
GRR20052178 22
GRR20096749 23.5
GRR20052273 25
GRR20096764 22.5
GRR20088750 21.5
GRR20088757 22
GRR20066112 24.5
GRR20096776 25
GRR20096783 22
GRR20096788 21.5
GRR20075757 16.5
GRR20096794 23
GRR20096796 25
GRR20088790 17.5
GRR20096807 23.5
GRR20096809 22.5
GRR20096811 22.5
GRR20096814 21
GRR20096816 21.5
GRR20096821 24

> summary(nce223[,3])
   Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
  16.50   21.00   22.50   22.19   24.25   25.00    1.00 
> stem(nce223[,3], scale=2)

  The decimal point is at the |

  16 | 5
  17 | 
  17 | 55
  18 | 
  18 | 5
  19 | 00
  19 | 55
  20 | 
  20 | 55
  21 | 0000
  21 | 555
  22 | 0000
  22 | 555
  23 | 000
  23 | 555
  24 | 00
  24 | 5
  25 | 0000000000