08:28:02	 From  Prof Alexandre Mendes : (30+/-2) bar
08:28:38	 From  Prof Alexandre Mendes : (28 a 32) bar
08:46:41	 From  Heitor Borgi : Alexandre, estamos com instabilidade na internet aqui em Rio Claro hoje, mas estamos acompanhando aqui conforme possível
09:30:32	 From  Prof Alexandre Mendes : queremos calcular a media de 3 valores
09:30:50	 From  Prof Alexandre Mendes : qual o grau de liberdade dessa operação?
09:32:37	 From  Prof Alexandre Mendes : resposta = 3 -1 = 2
09:33:57	 From  Andresson Mar : 4
09:34:04	 From  Prof Alexandre Mendes : X1 = 4
09:34:11	 From  Prof Alexandre Mendes : X2 = 5
09:34:32	 From  Prof Alexandre Mendes : média deve ser 6
09:34:55	 From  Prof Alexandre Mendes : X3 = ?
09:35:49	 From  Prof Alexandre Mendes : X3 = 9
10:52:15	 From  Prof Alexandre Mendes : 0,05%
10:52:25	 From  Prof Alexandre Mendes : 0,005%
10:52:40	 From  Prof Alexandre Mendes : 0,00001%
10:58:00	 From  Heitor Borgi : Sim
11:01:26	 From  Prof Alexandre Mendes : 0,005%
11:06:18	 From  Prof Alexandre Mendes : 0,05%
11:06:33	 From  Prof Alexandre Mendes : 0,05*4 = 0,2%