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Interpretación de gráficos de control. Gráfico de medias y desviación estándar.                            G. Edgar Mata Ortiz.                     licmata@hotmail.com

                                                        Límites de control para la media aritmética                                                       Límites de control para la desviación estándar
                                       LCL =      108.8047        CL =      134.1000      UCL =        159.3953                             LCL =     0.0000          CL =       17.7262        UCL =       37.0301

                                       159.40
Gráfico de medias




                                       134.10
                                                                                                                                                                        NR5. Two or three
                                                                                                                                                                       out of three points in
                                                                                                                                                                       a row are more than
                                       108.80                                                                                                                          2 SD form the mean
                                                                                                                                                                            in the same
                                                                                                                                                                              direction
Gráfico de desviación estándar




                                       37.03




                                       17.73




                                       0.00

                                       Datos     1         2       3        4        5      6          7      8       9      10     11      12       13       14       15     16        17       18         19     20
  http://www.slideshare.net/licmata/




                                        x1      103       147     143      122      88     152        153    152     89      95     138     106     122       105     166     151      159       125       125     145
                                        x2      107       145     167      165     149     143        165    128    117      98     155     112     109       125     179     204      132       133       115     144
                                        x3      140       148     121      145     128     154        75     136    123     131     169     121     157       110     153     139      152       131       93      150
                                        x4      118       109     156      127     128     170        155    108    132      90     152     155      89       110     139     138      175       164       108     145
                                        x5      158       131     104      152     148     147        132    135    153      92     102     118      94        90     154     149      168       161       147     153
                                        Ʃ        626      680     691      711     641     766     680       659     614     506     716     612     571      540     791      781     786       714     588        737
                                         𝑥      125.2    136.0   138.2    142.2   128.2   153.2   136.0     131.8   122.8   101.2   143.2   122.4   114.2    108.0   158.2    156.2   157.2     142.8   117.6      147.4
                                         s      20.84    14.83   22.96    15.89   22.09    9.24   32.34     14.26   20.85   15.14   22.83   17.10   24.34    11.22   13.47    24.46   14.82     16.33   18.02       3.50

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Spc interpreta 00

  • 1. Interpretación de gráficos de control. Gráfico de medias y desviación estándar. G. Edgar Mata Ortiz. licmata@hotmail.com Límites de control para la media aritmética Límites de control para la desviación estándar LCL = 108.8047 CL = 134.1000 UCL = 159.3953 LCL = 0.0000 CL = 17.7262 UCL = 37.0301 159.40 Gráfico de medias 134.10 NR5. Two or three out of three points in a row are more than 108.80 2 SD form the mean in the same direction Gráfico de desviación estándar 37.03 17.73 0.00 Datos 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 http://www.slideshare.net/licmata/ x1 103 147 143 122 88 152 153 152 89 95 138 106 122 105 166 151 159 125 125 145 x2 107 145 167 165 149 143 165 128 117 98 155 112 109 125 179 204 132 133 115 144 x3 140 148 121 145 128 154 75 136 123 131 169 121 157 110 153 139 152 131 93 150 x4 118 109 156 127 128 170 155 108 132 90 152 155 89 110 139 138 175 164 108 145 x5 158 131 104 152 148 147 132 135 153 92 102 118 94 90 154 149 168 161 147 153 Ʃ 626 680 691 711 641 766 680 659 614 506 716 612 571 540 791 781 786 714 588 737 𝑥 125.2 136.0 138.2 142.2 128.2 153.2 136.0 131.8 122.8 101.2 143.2 122.4 114.2 108.0 158.2 156.2 157.2 142.8 117.6 147.4 s 20.84 14.83 22.96 15.89 22.09 9.24 32.34 14.26 20.85 15.14 22.83 17.10 24.34 11.22 13.47 24.46 14.82 16.33 18.02 3.50