RA	P1		P2	T	N	pre-exame
---------------------------------------------------------
21010315	2	3	2	23	C
11050614	4	1	2	23	C
11023612	4	3	2	29	A
11024213	2			6	F
11109415	3	1	2	20	C
11062115	4	4	2	32	A
11089014	1	2	2	17	C
11082016	2	2	2	20	C
11054713	4	2	2	26	B
21084015	3	2	2	23	C
11053115	2			6	F
11092215	1	2	2	17	C
11072415	3	2	2	23	C
11079215	4	3	2	29	A
11066414	4	2	2	26	B
11002216	2	1		9	F
11070916	3	1	2	20	C
11053314	4	0	2	20	C
11088714	2	1	2	17	C
11006315	3	1	2	20	C
11028714	2	2	2	20	C
11090216		1		3	F

media		2.809	1.842		20.285
desv pad	1.030	0.958		 6.900
moda		2	2		20
mediana		3	2		20


A	 3	14%
B	 2	 9%
C	13	61%
F	 4	19%%