estatistica 14 bussab - Bussab&Morettin...

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Unformatted text preview: Bussab&Morettin Estatstica Bsica Captulo 14 Problema 01 6 / 1 : 6 2 1 = = = = p p p H Ocorrncia (i) 1 2 3 4 5 6 Total Freq. Observada ( n i ) 43 49 56 45 66 41 300 Freq. Esperada ( * i n ) 50 50 50 50 50 50 300 * 2 * / ) ( i i i n n n- 0,98 0,02 0,72 0,5 5,12 1,62 8,96 96 , 8 2 = o ; s = 6; g.l. = 5. 111 , ) 96 , 8 ( 2 5 = = P . Problema 02 Exemplo 14.5: 875 , 12 2 = o ; s = 11; g.l. = 10. 231 , ) 875 , 12 ( 2 10 = = P . Exemplo 14.6: 87 , 3 2 = o ; s = 4; g.l. = 3. 276 , ) 87 , 3 ( 2 3 = = P . Problema 03 158 , ; 093 , ; 093 , ; 656 , : 4 3 2 1 = = = = p p p p H Categoria (i) C1 C2 C3 C4 Total Freq. Observada ( n i ) 125 18 20 34 197 Freq. Esperada ( * i n ) 129,232 18,321 18,321 31,126 197 * 2 * / ) ( i i i n n n- 0,139 0,006 0,154 0,265 0,563 563 , 2 = o ; s = 4; g.l. = 3. 905 , ) 563 , ( 2 3 = = P . Se : 05 , = 815 , 7 2 = C . No rejeitamos H , ou seja, h evidncias de que os dados esto de acordo com o modelo gentico postulado. Cap.14 Pg. 1 Bussab&Morettin Estatstica Bsica Problema 04 ) 100 ; 30 ( : N P H = Quartis da N (30;100): Q(0,25) = 23,26 ; Q(0,50) = 30 ; Q(0,75) = 36,74. Categoria (i) (- ;23,26] (23,26;30,00] (30,00;36,74] (36,74;+ ) Total Freq. Observada ( n i ) 8 4 4 4 20 Freq. Esperada ( * i n ) 5 5 5 5 20 * 2 * / ) ( i i i n n n- 1,800 0,200 0,200 0,200 2,400 400 , 2 2 = o ; s = 4; g.l. = 3. 494 , ) 400 , 2 ( 2 3 = = P . Se : 05 , = 815 , 7 2 = C . No rejeitamos H , ou seja, h evidncias de que os dados so observaes de uma distribuio N (30;100). Problema 05 6 / 1 : 6 2 1 = = = = p p p H Ocorrncia 1 2 3 4 5 6 Total Freq. Observada ( n i ) 158 186 179 161 141 175 1000 Freq. Esperada ( * i n ) 166,667 166,667 166,667 166,667 166,667 166,667 1000 * 2 * / ) ( i i i n n n- 0,451 2,243 0,913 0,193 3,953 0,417 8,168 168 , 8 2 = o ; s = 6; g.l. = 5. 147 , ) 168 , 8 ( 2 5 = = P . Se : 05 , = 070 , 11 2 = C . No rejeitamos H , ou seja, h evidncias de que o dado balanceado. Problema 06 2 1 : P P H = Freqncias observadas (n ij ) Escola (0;2,5] (2,5;5,0] (5,0;7,5] (7,5;10,0] Total Pblica 15 22 18 3 58 Particular 6 10 20 6 42 Total 21 32 38 9 100 Freqncias esperadas( * ij n ) Escola (0;2,5] (2,5;5,0] (5,0;7,5] (7,5;10,0] Total Pblica 12,18 18,56 22,04 5,22 58 Particular 8,82 13,44 15,96 3,78 42 Total 21 32 38 9 100 Cap.14 Pg. 2 Bussab&Morettin Estatstica Bsica * 2 * / ) ( ij ij ij n n n- Escola (0;2,5] (2,5;5,0] (5,0;7,5] (7,5;10,0] Total Pblica 0,653 0,638 0,741 0,944 Particular 0,902 0,880 1,023 1,304 Total 7,084 084 , 7 2 = o ; s = 4; r = 2; g.l. = 3. 069 , ) 084 , 7 ( 2 3 = = P ....
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This note was uploaded on 12/05/2011 for the course MATH 123 taught by Professor Gg during the Spring '11 term at Universidade Federal de Minas Gerais.

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estatistica 14 bussab - Bussab&Morettin...

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