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TEMA:                     EJERCICIO 9
         INTERPRETACIÓN DE HISTOGRAMA


MATERIA:      CONTROL ESTADÍSTICO DEL
                             PROCESO



GRUPO:              4to. – A NOCTURNO


CARRERA:   TSU. PROCESOS INDUSTRIALES    UNIVERSIDAD
                 AREA DE MANUFACTURA
                                         TECNOLÓGICA
DOCENTE:                   LIC. EDGAR
                                          DE TORREÓN
                           MATA ORTIZ


FECHA:                 10/MARZO/2012
LUGAR:             TORREÓN, COAH. MX.
DATOS (DATA)

        1     2     3     4     5     6     7     8     9    10    11    12    13    14    15    16    17    18    19     20
1    2.728 2.811 2.749 2.813 2.817 2.756 2.776 2.841 2.814 2.781 2.821 2.808 2.791 2.844 2.867 2.774 2.741 2.850 2.762 2.800
2    2.787 2.858 2.774 2.772 2.811 2.796 2.838 2.802 2.768 2.786 2.816 2.818 2.874 2.814 2.794 2.827 2.837 2.803 2.852 2.770
3    2.820 2.715 2.803 2.795 2.738 2.780 2.798 2.819 2.797 2.774 2.792 2.774 2.799 2.782 2.786 2.826 2.816 2.773 2.852 2.794
4    2.883 2.857 2.832 2.830 2.788 2.729 2.828 2.758 2.821 2.724 2.773 2.764 2.831 2.811 2.791 2.824 2.796 2.790 2.817 2.801
5    2.830 2.797 2.775 2.852 2.781 2.841 2.810 2.781 2.803 2.833 2.774 2.755 2.694 2.829 2.817 2.793 2.848 2.762 2.837 2.824
6    2.803 2.829 2.755 2.885 2.779 2.851 2.727 2.763 2.786 2.804 2.813 2.791 2.726 2.769 2.860 2.755 2.816 2.779 2.792 2.816
7    2.764 2.748 2.842 2.791 2.731 2.827 2.788 2.793 2.773 2.778 2.792 2.728 2.740 2.804 2.796 2.830 2.805 2.844 2.836 2.817
8    2.820 2.779 2.841 2.813 2.791 2.744 2.808 2.781 2.811 2.797 2.756 2.792 2.811 2.803 2.843 2.847 2.789 2.818 2.809 2.807
9    2.841 2.811 2.783 2.782 2.798 2.746 2.797 2.874 2.746 2.760 2.810 2.801 2.809 2.813 2.791 2.773 2.783 2.791 2.821 2.839
10   2.865 2.793 2.765 2.820 2.764 2.746 2.832 2.804 2.864 2.753 2.794 2.852 2.802 2.763 2.801 2.749 2.841 2.785 2.836 2.779
11   2.830 2.723 2.773 2.798 2.790 2.827 2.771 2.823 2.842 2.758 2.759 2.816 2.768 2.795 2.786 2.791 2.784 2.790 2.873 2.765
12   2.726 2.814 2.765 2.845 2.743 2.797 2.829 2.800 2.786 2.787 2.792 2.732 2.847 2.836 2.704 2.794 2.805 2.746 2.769 2.792
13   2.767 2.790 2.792 2.878 2.853 2.825 2.828 2.799 2.804 2.771 2.804 2.813 2.771 2.838 2.857 2.788 2.883 2.826 2.837 2.831
14   2.783 2.791 2.816 2.838 2.825 2.763 2.811 2.791 2.812 2.747 2.814 2.804 2.814 2.747 2.844 2.791 2.874 2.802 2.751 2.817
15   2.815 2.781 2.788 2.802 2.788 2.783 2.734 2.838 2.765 2.835 2.768 2.769 2.808 2.762 2.802 2.831 2.787 2.788 2.812 2.787
16   2.794 2.787 2.811 2.817 2.789 2.852 2.792 2.817 2.846 2.755 2.825 2.782 2.838 2.819 2.825 2.830 2.845 2.817 2.754 2.794
17   2.789 2.760 2.815 2.779 2.754 2.804 2.811 2.881 2.856 2.789 2.797 2.788 2.797 2.754 2.850 2.804 2.812 2.847 2.768 2.742
18   2.794 2.759 2.817 2.830 2.812 2.824 2.832 2.832 2.879 2.799 2.786 2.761 2.778 2.817 2.823 2.749 2.804 2.807 2.856 2.803
19   2.812 2.759 2.831 2.843 2.736 2.789 2.773 2.797 2.725 2.797 2.810 2.826 2.790 2.815 2.830 2.806 2.789 2.817 2.864 2.824
20   2.838 2.790 2.813 2.783 2.796 2.786 2.733 2.801 2.771 2.785 2.807 2.893 2.814 2.778 2.817 2.858 2.719 2.746 2.771 2.796
21   2.846 2.815 2.781 2.719 2.834 2.836 2.785 2.866 2.852 2.752 2.765 2.795 2.810 2.836 2.819 2.786 2.779 2.760 2.836 2.740
22   2.781 2.760 2.766 2.807 2.787 2.763 2.772 2.749 2.772 2.759 2.836 2.748 2.795 2.770 2.788 2.833 2.819 2.763 2.839 2.801
23   2.829 2.768 2.806 2.780 2.792 2.810 2.827 2.848 2.783 2.768 2.767 2.800 2.788 2.777 2.808 2.847 2.843 2.753 2.822 2.826
24   2.824 2.818 2.745 2.797 2.850 2.797 2.752 2.795 2.749 2.845 2.805 2.807 2.824 2.802 2.766 2.848 2.736 2.857 2.837 2.840
25   2.805 2.802 2.743 2.766 2.794 2.852 2.817 2.761 2.793 2.823 2.801 2.818 2.760 2.834 2.796 2.796 2.797 2.821 2.827 2.777
intervalos aparentes    intervalos reales     clase              frecuencias                       tendencia central y disperción

   maximo      2.893       inferior   superior    inferior   superior       xi      fi        fia             fr      fra        (fi)(xi)     (xi-x)* fi     (xi-x)^2*fi


   minimo      2.694   1    2.694        2.716    2.6935      2.7165    2.7050     3           3         0.006     0.006        8.1150 0.285522 0.02717427


                       2    2.717        2.739    2.7165      2.7395    2.7280    18         21          0.036     0.042       49.1040 1.299132 0.09376355


     rango     0.199   3    2.740        2.762    2.7395      2.7625    2.7510    52         73          0.104     0.146      143.0520 2.557048 0.12574028
 intervalos       9    4    2.763        2.785    2.7625      2.7855    2.7740    83        156          0.166     0.312      230.2420 2.172442             0.0568615
   tam. de 0.0221111
      inter        1   5    2.786        2.808    2.7855      2.8085    2.7970   143        299          0.286     0.598      399.9710 0.453882 0.00144062
inter. Ajus.   0.023   6    2.809        2.831    2.8085      2.8315    2.8200   111        410          0.222      0.82      313.0200 2.200686             0.0436308


                       7    2.832        2.854    2.8315      2.8545    2.8430    66        476          0.132     0.952      187.6380 2.826516 0.12104837


                       8    2.855        2.877    2.8545      2.8775    2.8660    17        493          0.034     0.986       48.7220 1.119042 0.07366206


                       9    2.878        2.900    2.8775      2.9005    2.8890     7        500          0.014         1       20.2230 0.621782 0.05523041


                                                                                 143                totales                  1400.0870 13.536052 0.59855186
                                                                                 media aritmética                           2.8001
                                                                                 desviación media                                           0.0270721
                                                                                 varianza                                                                   0.0011971
                                                                                 desviación estándar                                                       0.03459919
X     Y

                                                                 2.6935     0
                                                                 2.6935     3
                                                                 2.7165     3

Datos para graficar un histograma se necesitan                   2.7165     0
                                                                 2.7165    18
Las desviaciones estándar y medias aritméticas y para tener      2.7395    18
mis X,Y tomo los datos de mis intervalos reales superiores con   2.7395     0
                                                                 2.7395    52
de esta forma tengo la Y, y con la frecuencia fi tengo mi X.     2.7625    52
To plot a histogram data are needed                              2.7625     0

The arithmetic means and standard deviations and have            2.7625    83

my X, and take my data with higher real intervals                2.7855
                                                                 2.7855
                                                                           83
                                                                            0
I have thus the Y and with frequency fi I have my X.             2.7855   143
                                                                 2.8085   143
           media aritmética                                      2.8085     0
          2.800174            0                                  2.8085   111
          2.800174          148                                  2.8315   111
                                                                 2.8315     0
        media aritmética + 1 s media aritmética - 1 s            2.8315    66
                               2.7655748
                                                                 2.8545    66
         2.834773187         0          1             0
                                                                 2.8545     0
                               2.7655748
         2.834773187       148          1         148            2.8545    17
                                                                 2.8775    17
        media aritmética + 2 s media aritmética - 2 s            2.8775     0
                               2.7309756                         2.8775     7
         2.869372374         0          3             0          2.9005     7
                               2.7309756                         2.9005     0
         2.869372374       148          3         148

        media aritmética + 3 s    media aritmética - 3 s
                                  2.6963764
HISTOGRAMA (HISTOGRAM)
                   160

                   140

                   120

                   100

                    80

                    60

                    40

                    20

                     0
                     2.65           2.7            2.75            2.8            2.85           2.9   2.95



El histograma indica que nuestra media aritmética se encuentra en el punto medio del mismo, la
media aritmética es de 2.800174 y la desviación estándar es de 0.034599 tenemos dentro de el
histograma una desestabilidad marcada por el intervalo de 2.65 a 2.7. Nos indica un punto fuera de
nuestras especificaciones.
                             The histogram indicates that our arithmetic mean is at the point
                         half of it, the arithmetic mean is 2.800174 and the standard deviation is
                         of 0.034599 we have within the histogram marked by a destabilization
                                                      range of 2.65 to 2.7.
                                       It indicates a point outside of our specifications.
Gráfico de pastel (pie chart)
                            gráfico de pastel                    fi
                                   3% 1% 1% 4%                   3
                                                                18
                             13%             10%                52
                                                                83
                                                   17%
                                                               143
                      22%                                      111
                                                                66
                                                                17
                                            29%
                                                                 7




El gráfico de pastel nos sirve para saber los porcentajes de nuestro proceso.
En que porcentaje encontramos nuestras frecuencias para mejorar el proceso
o en que intervalo es donde nos encontramos
Tenemos nuestra media
(mediana) y nuestra
moda para denotar en
que     intervalo     se
encuentran      nuestras
frecuencias         mas                                         inferior   superior   inferior   superior        xi     fi     fia

repetidas                                                   1
                                                            2
                                                                  2.694
                                                                  2.717
                                                                             2.716
                                                                             2.739
                                                                                      2.6935
                                                                                      2.7165
                                                                                                  2.7165
                                                                                                  2.7395
                                                                                                            2.7050
                                                                                                            2.7280
                                                                                                                        3
                                                                                                                       18     21
                                                                                                                                3

                                                            3     2.740      2.762    2.7395      2.7625    2.7510     52     73
                                                            4     2.763      2.785    2.7625      2.7855    2.7740     83    156
                                                            5     2.786      2.808    2.7855      2.8085    2.7970    143    299
                                                            6     2.809      2.831    2.8085      2.8315    2.8200    111    410
                                                            7     2.832      2.854    2.8315      2.8545    2.8430     66    476
                                                            8     2.855      2.877    2.8545      2.8775    2.8660     17    493
                                                            9     2.878      2.900    2.8775      2.9005    2.8890      7    500




                                                         (2.8315-
   ME=   2.7855   +               250    -           156 2.8200)
                                             143
   ME=   2.7855        94       0.0115
                      143

   ME=   2.7855   +         0.65734266   *         0.0115

   ME=   2.7855   +         0.00755944

   ME=   2.7931

 MODA=   2.7855

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Ejercicio 9

  • 1.
  • 2. TEMA: EJERCICIO 9 INTERPRETACIÓN DE HISTOGRAMA MATERIA: CONTROL ESTADÍSTICO DEL PROCESO GRUPO: 4to. – A NOCTURNO CARRERA: TSU. PROCESOS INDUSTRIALES UNIVERSIDAD AREA DE MANUFACTURA TECNOLÓGICA DOCENTE: LIC. EDGAR DE TORREÓN MATA ORTIZ FECHA: 10/MARZO/2012 LUGAR: TORREÓN, COAH. MX.
  • 3. DATOS (DATA) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2.728 2.811 2.749 2.813 2.817 2.756 2.776 2.841 2.814 2.781 2.821 2.808 2.791 2.844 2.867 2.774 2.741 2.850 2.762 2.800 2 2.787 2.858 2.774 2.772 2.811 2.796 2.838 2.802 2.768 2.786 2.816 2.818 2.874 2.814 2.794 2.827 2.837 2.803 2.852 2.770 3 2.820 2.715 2.803 2.795 2.738 2.780 2.798 2.819 2.797 2.774 2.792 2.774 2.799 2.782 2.786 2.826 2.816 2.773 2.852 2.794 4 2.883 2.857 2.832 2.830 2.788 2.729 2.828 2.758 2.821 2.724 2.773 2.764 2.831 2.811 2.791 2.824 2.796 2.790 2.817 2.801 5 2.830 2.797 2.775 2.852 2.781 2.841 2.810 2.781 2.803 2.833 2.774 2.755 2.694 2.829 2.817 2.793 2.848 2.762 2.837 2.824 6 2.803 2.829 2.755 2.885 2.779 2.851 2.727 2.763 2.786 2.804 2.813 2.791 2.726 2.769 2.860 2.755 2.816 2.779 2.792 2.816 7 2.764 2.748 2.842 2.791 2.731 2.827 2.788 2.793 2.773 2.778 2.792 2.728 2.740 2.804 2.796 2.830 2.805 2.844 2.836 2.817 8 2.820 2.779 2.841 2.813 2.791 2.744 2.808 2.781 2.811 2.797 2.756 2.792 2.811 2.803 2.843 2.847 2.789 2.818 2.809 2.807 9 2.841 2.811 2.783 2.782 2.798 2.746 2.797 2.874 2.746 2.760 2.810 2.801 2.809 2.813 2.791 2.773 2.783 2.791 2.821 2.839 10 2.865 2.793 2.765 2.820 2.764 2.746 2.832 2.804 2.864 2.753 2.794 2.852 2.802 2.763 2.801 2.749 2.841 2.785 2.836 2.779 11 2.830 2.723 2.773 2.798 2.790 2.827 2.771 2.823 2.842 2.758 2.759 2.816 2.768 2.795 2.786 2.791 2.784 2.790 2.873 2.765 12 2.726 2.814 2.765 2.845 2.743 2.797 2.829 2.800 2.786 2.787 2.792 2.732 2.847 2.836 2.704 2.794 2.805 2.746 2.769 2.792 13 2.767 2.790 2.792 2.878 2.853 2.825 2.828 2.799 2.804 2.771 2.804 2.813 2.771 2.838 2.857 2.788 2.883 2.826 2.837 2.831 14 2.783 2.791 2.816 2.838 2.825 2.763 2.811 2.791 2.812 2.747 2.814 2.804 2.814 2.747 2.844 2.791 2.874 2.802 2.751 2.817 15 2.815 2.781 2.788 2.802 2.788 2.783 2.734 2.838 2.765 2.835 2.768 2.769 2.808 2.762 2.802 2.831 2.787 2.788 2.812 2.787 16 2.794 2.787 2.811 2.817 2.789 2.852 2.792 2.817 2.846 2.755 2.825 2.782 2.838 2.819 2.825 2.830 2.845 2.817 2.754 2.794 17 2.789 2.760 2.815 2.779 2.754 2.804 2.811 2.881 2.856 2.789 2.797 2.788 2.797 2.754 2.850 2.804 2.812 2.847 2.768 2.742 18 2.794 2.759 2.817 2.830 2.812 2.824 2.832 2.832 2.879 2.799 2.786 2.761 2.778 2.817 2.823 2.749 2.804 2.807 2.856 2.803 19 2.812 2.759 2.831 2.843 2.736 2.789 2.773 2.797 2.725 2.797 2.810 2.826 2.790 2.815 2.830 2.806 2.789 2.817 2.864 2.824 20 2.838 2.790 2.813 2.783 2.796 2.786 2.733 2.801 2.771 2.785 2.807 2.893 2.814 2.778 2.817 2.858 2.719 2.746 2.771 2.796 21 2.846 2.815 2.781 2.719 2.834 2.836 2.785 2.866 2.852 2.752 2.765 2.795 2.810 2.836 2.819 2.786 2.779 2.760 2.836 2.740 22 2.781 2.760 2.766 2.807 2.787 2.763 2.772 2.749 2.772 2.759 2.836 2.748 2.795 2.770 2.788 2.833 2.819 2.763 2.839 2.801 23 2.829 2.768 2.806 2.780 2.792 2.810 2.827 2.848 2.783 2.768 2.767 2.800 2.788 2.777 2.808 2.847 2.843 2.753 2.822 2.826 24 2.824 2.818 2.745 2.797 2.850 2.797 2.752 2.795 2.749 2.845 2.805 2.807 2.824 2.802 2.766 2.848 2.736 2.857 2.837 2.840 25 2.805 2.802 2.743 2.766 2.794 2.852 2.817 2.761 2.793 2.823 2.801 2.818 2.760 2.834 2.796 2.796 2.797 2.821 2.827 2.777
  • 4. intervalos aparentes intervalos reales clase frecuencias tendencia central y disperción maximo 2.893 inferior superior inferior superior xi fi fia fr fra (fi)(xi) (xi-x)* fi (xi-x)^2*fi minimo 2.694 1 2.694 2.716 2.6935 2.7165 2.7050 3 3 0.006 0.006 8.1150 0.285522 0.02717427 2 2.717 2.739 2.7165 2.7395 2.7280 18 21 0.036 0.042 49.1040 1.299132 0.09376355 rango 0.199 3 2.740 2.762 2.7395 2.7625 2.7510 52 73 0.104 0.146 143.0520 2.557048 0.12574028 intervalos 9 4 2.763 2.785 2.7625 2.7855 2.7740 83 156 0.166 0.312 230.2420 2.172442 0.0568615 tam. de 0.0221111 inter 1 5 2.786 2.808 2.7855 2.8085 2.7970 143 299 0.286 0.598 399.9710 0.453882 0.00144062 inter. Ajus. 0.023 6 2.809 2.831 2.8085 2.8315 2.8200 111 410 0.222 0.82 313.0200 2.200686 0.0436308 7 2.832 2.854 2.8315 2.8545 2.8430 66 476 0.132 0.952 187.6380 2.826516 0.12104837 8 2.855 2.877 2.8545 2.8775 2.8660 17 493 0.034 0.986 48.7220 1.119042 0.07366206 9 2.878 2.900 2.8775 2.9005 2.8890 7 500 0.014 1 20.2230 0.621782 0.05523041 143 totales 1400.0870 13.536052 0.59855186 media aritmética 2.8001 desviación media 0.0270721 varianza 0.0011971 desviación estándar 0.03459919
  • 5. X Y 2.6935 0 2.6935 3 2.7165 3 Datos para graficar un histograma se necesitan 2.7165 0 2.7165 18 Las desviaciones estándar y medias aritméticas y para tener 2.7395 18 mis X,Y tomo los datos de mis intervalos reales superiores con 2.7395 0 2.7395 52 de esta forma tengo la Y, y con la frecuencia fi tengo mi X. 2.7625 52 To plot a histogram data are needed 2.7625 0 The arithmetic means and standard deviations and have 2.7625 83 my X, and take my data with higher real intervals 2.7855 2.7855 83 0 I have thus the Y and with frequency fi I have my X. 2.7855 143 2.8085 143 media aritmética 2.8085 0 2.800174 0 2.8085 111 2.800174 148 2.8315 111 2.8315 0 media aritmética + 1 s media aritmética - 1 s 2.8315 66 2.7655748 2.8545 66 2.834773187 0 1 0 2.8545 0 2.7655748 2.834773187 148 1 148 2.8545 17 2.8775 17 media aritmética + 2 s media aritmética - 2 s 2.8775 0 2.7309756 2.8775 7 2.869372374 0 3 0 2.9005 7 2.7309756 2.9005 0 2.869372374 148 3 148 media aritmética + 3 s media aritmética - 3 s 2.6963764
  • 6. HISTOGRAMA (HISTOGRAM) 160 140 120 100 80 60 40 20 0 2.65 2.7 2.75 2.8 2.85 2.9 2.95 El histograma indica que nuestra media aritmética se encuentra en el punto medio del mismo, la media aritmética es de 2.800174 y la desviación estándar es de 0.034599 tenemos dentro de el histograma una desestabilidad marcada por el intervalo de 2.65 a 2.7. Nos indica un punto fuera de nuestras especificaciones. The histogram indicates that our arithmetic mean is at the point half of it, the arithmetic mean is 2.800174 and the standard deviation is of 0.034599 we have within the histogram marked by a destabilization range of 2.65 to 2.7. It indicates a point outside of our specifications.
  • 7. Gráfico de pastel (pie chart) gráfico de pastel fi 3% 1% 1% 4% 3 18 13% 10% 52 83 17% 143 22% 111 66 17 29% 7 El gráfico de pastel nos sirve para saber los porcentajes de nuestro proceso. En que porcentaje encontramos nuestras frecuencias para mejorar el proceso o en que intervalo es donde nos encontramos
  • 8. Tenemos nuestra media (mediana) y nuestra moda para denotar en que intervalo se encuentran nuestras frecuencias mas inferior superior inferior superior xi fi fia repetidas 1 2 2.694 2.717 2.716 2.739 2.6935 2.7165 2.7165 2.7395 2.7050 2.7280 3 18 21 3 3 2.740 2.762 2.7395 2.7625 2.7510 52 73 4 2.763 2.785 2.7625 2.7855 2.7740 83 156 5 2.786 2.808 2.7855 2.8085 2.7970 143 299 6 2.809 2.831 2.8085 2.8315 2.8200 111 410 7 2.832 2.854 2.8315 2.8545 2.8430 66 476 8 2.855 2.877 2.8545 2.8775 2.8660 17 493 9 2.878 2.900 2.8775 2.9005 2.8890 7 500 (2.8315- ME= 2.7855 + 250 - 156 2.8200) 143 ME= 2.7855 94 0.0115 143 ME= 2.7855 + 0.65734266 * 0.0115 ME= 2.7855 + 0.00755944 ME= 2.7931 MODA= 2.7855