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Media-Mediana

Por:   •  13/5/2015  •  Pesquisas Acadêmicas  •  6.344 Palavras (26 Páginas)  •  449 Visualizações

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1 - Determinar a média, a mediana, e a moda para as seguintes séries de números.                                                

                                                                                                        

        SÉRIE 1        SÉRIE 2        SÉRIE 3        SÉRIE 4        AMOSTRA        FREQUÊNCIA        MÉDIA                                                

        3        3        3        3        3        15%        0,4617                                                

        5        5        5        5        5        15%        0,7695                                                

        8        7        7        7        7        19%        1,3461                                                

                8        7        7        8        15%        1,2312                                                

                        8        8        10        19%        1,923                                                

                        10        10        12        8%        0,9228                                                

                        10        10        13        8%        0,9997                                                

                        10        12                                                                        

                        12        13                                                                        

                        13                                                                                

                                                Ʃ MÉDIA        7,654                                                

                                                                                                        

        SÉRIE 1 A MEDIANA O Nº 5                                                                                

        SÉRIE 4 A MEDIANA É O Nº 8                                                                                

        AMOSTRA A MEDIANA É O Nº 8                                                                                

2 -                                                                                                         

A) Calcular a média, o desvio padrão e a média saneada para as seguintes séries 1, 2 e 3 de amostras de valores de imóveis.                

                                                                                                        

B) Comparar para cada série de amostras os valores obtidos no item A com um DP de 30%.                                                

                                                                                                        

C) Concluir.                                                                                                

                                                                                                        

RESOLUÇÃO ITEM A                                                                                                

                                                                                                        

1 - Apartamentos na Praia Grande                                                                                

Amostras        Preço/M²        Frequencia        Média        V - Média (M)        (V-M)²        (V-M)² *F                                                        

1        835,71        15%                -130,59        17053,42        2526,46        DP=Ʃ(V-M)²                                        

2        525,94        9%                179,18        32105,92        2993,40              N - 1                        30% -                        30% +

3        739,01        13%                -33,89        1148,45        150,45        DP=57232,2             493,58                      705,12                      916,66

4        696,43        12%                8,69        75,54        9,33              8 - 1                                                

...

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