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Graficas de control xs xr 7-1

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Gráficos de Control

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Graficas de control xs xr 7-1

  1. 1. Universidad Tecnológica de TorreónOrganismo Público Descentralizado del Gobierno del Estado de Coahuila DOCENTE: LIC. EDGAR MATA ORTIZ MATERIA: CONTROL ESTADISTICO DEL PROCESO PROCESOS INDUSTRIALES TAREA: HOJAS DE VERIFICACION ALUMNO: ALFONSO ESPINO GARCIA GRADO Y SECCION: 4 “A” T/N CONTROL: 15/ABRIL/2012
  2. 2. CONTROL ESTADÍSTICO DEL PROCESO
  3. 3. GRAFICAS DE CONTROL.Es una herramienta estadística que detecta lavariabilidad, consistencia, control y mejora de un proceso.La gráfica de control se usa como una forma deobservar, detectar y prevenir el comportamiento delproceso.
  4. 4. x y x2 y2 xy 1 1262.4 12.3 1593653.76 151.29 15527.52 2 1285.1 15.7 1651482.01 246.49 20176.07 3 1305.3 14.8 1703808.09 219.04 19318.44 4 1310.7 14.9 1717934.49 222.01 19529.43 5 1319.1 14 1740024.81 196 18467.4 6 1325.6 16 1757215.36 256 21209.6 7 1350.9 14.1 1824930.81 198.81 19047.69 scx= 101564.436 8 1391.9 13.3 1937385.61 176.89 18512.27 scy= 48.28 9 1402.6 16.6 1967286.76 275.56 23283.16 scxy= 1475.48 10 1412.5 15.7 1995156.25 246.49 22176.25 11 1434.3 16 2057216.49 256 22948.8 r= 0.66631389 12 1469.1 16.2 2158254.81 262.44 23799.42 r2 0.4439742 13 1495.6 15 2236819.36 225 22434 14 1496.7 19.9 2240110.89 396.01 29784.33 15 1527.6 18 2333561.76 324 27496.8∑ 20789.4 232.5 28914841.3 3652.03 323711.18 a1 a0 n.xy 4855667.7 = 22132.2 sx 2 . Sy 6722700592.95 = -7060612.54 x.y 4833535.5 x. sxy 6729761205.49 n.x2 433722619 = 1523466.54 n . Sx 2 433722618.9 = 1523466.54 (sx)2 432199152 (sx)2 432199152.4
  5. 5. x y=1262.4 13.704978871285.1 14.034753711305.3 14.32820974 221310.7 14.406658381319.1 14.5286896 201325.6 14.623118521350.9 14.99066493 181391.9 15.586293511402.6 15.74173804 161412.5 15.885560541434.3 16.20226061 141469.1 16.707818521495.6 17.09279797 121496.7 17.10877825 y = 0.014x - 4.6341527.6 17.5576788 10 R² = 0.444 1200 1250 1300 1350 1400 1450 1500 1550a1 0.014527526a0 -4.63457014

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