capitulo 2
Pré-visualização24 páginas
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_1069103301.unknown _1069102451.unknown _1069100586.unknown _1069101144.unknown _1069101810.unknown _1069102095.unknown _1069101802.unknown _1069100982.unknown _1069101060.unknown _1069100705.unknown _1069097040.unknown _1069099923.unknown _1069100235.unknown _1069099707.unknown _1069073595.unknown _1069073642.unknown _1069073398.unknown _1069073516.unknown _1069058698.unknown _1069068217.unknown _1069069703.unknown _1069072405.unknown _1069072878.unknown _1069072884.unknown _1069072587.unknown _1069070952.unknown _1069072113.unknown _1069072254.unknown _1069072091.unknown _1069070377.unknown _1069068829.unknown _1069068944.unknown _1069069311.unknown _1069068927.unknown _1069068739.unknown _1069068814.unknown _1069068706.unknown _1069062100.unknown _1069063321.unknown _1069068029.unknown _1069063352.unknown _1069063421.unknown _1069062281.unknown _1069063261.unknown _1069063061.unknown _1069062127.unknown _1069059270.xls Gráf1 0.00512 0.02304 0.03456 0.02048 p L(p) 11.1 Distribuição amostral de p^ # sucessos 0 1 2 3 4 5 p^ 0.0 0.2 0.4 0.6 0.8 1.0 P(p^) 0.3277 0.4096 0.2048 0.0512 0.0064 0.0003 E(p^) = 0.2 Var(p^) = 0.032 11.2 Var(p^) <= 1/(4n) n 10 25 100 400 Limite superior de Var(p^) 0.025 0.01 0.0025 0.000625 11.2 Limite superior de Var(p^) n Limite superior de Var(p^) 11.5 Estimadores t1 t2 Resultados da simulação Média 102 100 Variância 5 10 Mediana 100 100 Moda 98 100 Propriedades dos estimadores Viés 2 0 Variância 5 10 EQM 9 10 11.6 a) mi 6 7 8 9 10 t yt (yt-mi)^2 (yt-mi)^2 (yt-mi)^2 (yt-mi)^2 (yt-mi)^2 1 3 9 16 25 36 49 2 5 1 4 9 16 25 3 6 0 1 4 9 16 4 8 4 1 0 1 4 5 16 100 81 64 49 36 S(mi) 114 103 102 111 130 S(mi) parece ser mínimo para mi aproximadamente