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Coeficiente ejercicio 1
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  • 1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ∑Coeficiente de correlación Ejercicio 1
  • 2. x y x^2 y^2 xy1 811 432.3 657721 186883.29 350595.32 827.4 436.9 684590.76 190881.61 361491.063 848.8 438 720461.44 191844 371774.44 864.3 437.6 747014.49 191493.76 378217.685 882.4 433.1 778629.76 187575.61 382167.446 884.5 436.8 782340.25 190794.24 386349.67 921 437.6 848241 191493.76 403029.68 939.3 441.3 882284.49 194745.69 414513.099 947.4 439.2 897566.76 192896.64 416098.0810 950.8 444.1 904020.64 197224.81 422250.2811 970.9 448.4 942646.81 201062.56 435351.5612 977.5 450.9 955506.25 203310.81 440754.7513 980.3 427.3 960988.09 182585.29 418882.1914 1001.2 431.6 1002401.44 186278.56 432117.9215 1013.8 435.7 1027790.44 189834.49 441712.66∑ 13820.6 6570.8 12792203.62 2878905.12 6055305.61455 Diagrama de correlación450445 Valores de dispersión Recta de440 regresión error +435430425 800 825 850 875 900 925 950 975 1000 1025
  • 3. Cálculo del coeficiente de correlación Observaciones- Al ver la gráfica se puede notar que no existe correlación- De acuerdo al coeficiente de determinación sólo el 4% de los cambios en Y pueden ser explicados a razón de los cambios en X
  • 4. Cálculo de los valores para la recta de regresión x y error + error - 800 435.67 442.00 429.33 825 436.16 442.49 429.82 850 436.65 442.98 430.31 875 437.14 443.48 430.81 900 437.63 443.97 431.30 925 438.12 444.46 431.79 950 438.61 444.95 432.28 975 439.11 445.44 432.77 1000 439.60 445.93 433.26 1025 440.09 446.42 433.75
  • 5. Valor estándar del error en Y con respecto a X