Ejercicios Estadistica Inferencial II

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    INSTITUTO TECNOLGICO SUPERIOR DE PEROTE

    ESTADSTICAINFERENCIAL II

    EJERCICIOS

    FRANCISCO JAVIER ALFONSO ARROYO 1002E011

    19/12/2013

    ESPECIALIDAD: ING. INDUSTRIAL

    NOMBRE DEL DOCENTE: SUBDIRECTOR MEDINA

    SEMESTRE Y GRUPO:7 501 A

    PEROTE, VER. DICIEMBRE / 2013

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    Ejercicio 1.1

    Pureza (%) Hidrocarburos (%)

    86,91 1,0289,85 1,11

    90,28 1,43

    86,34 1,11

    92,58 1,01

    87,33 0,95

    86,29 1,11

    91,86 0,87

    95,61 1,43

    89,86 1,02

    96,73 1,4699,42 1,55

    98,66 1,55

    96,07 1,55

    93,65 1,40

    87,31 1,15

    95,00 1,01

    96,85 0,99

    85,20 0,95

    90,56 0,98

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    (%) is statistically significant (p < 0,05).The relationship between Pureza (%) and Hidrocarburos

    > 0,50,10,050

    NoYes

    P = 0,003

    for by the regression model.35,52% of the variation in Pureza (%) can be accounted

    100%0%

    R-sq (adj) = 35,52%

    increase.Hidrocarburos (%) increases, Pureza (%) also tends toThe positive correlation (r = 0,62) indicates that when

    10-1

    0,62

    1,61,41,21,0

    100

    95

    90

    85

    Hidrocarburos (%)

    Pureza(%)

    causes Y.A statistically significant relationship does not imply that Xa desired value or range of values for Pureza (%).find the settings for Hidrocarburos (%) that correspond toto predict Pureza (%) for a value of Hidrocarburos (%), orIf the model fits the data well, this equation can be used Y = 77,86 + 11,80 X

    relationship between Y and X is:The fitted equation for the linear model that describes the

    Y: Pureza (%)X: Hidrocarburos (%)

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = 77,86 + 11,80 X

    Comments

    Regression for Pureza (%) vs Hidrocarburos (%)Summary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

    Ejercicio 1.2

    Radio Viscocidad

    1,0 0,45

    0,9 0,20

    0,8 0,34

    0,7 0,58

    0,6 0,70

    0,5 0,57

    0,4 0,55

    0,3 0,44

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    statistically significant (p > 0,05).The relationship between Radio and Viscocidad is not

    > 0,50,10,050

    NoYes

    P = 0,248

    the regression model.8,38% of the variation in Radio can be accounted for by

    100%0%

    R-sq (adj) = 8,38%

    statistically significant (p > 0,05).The correlation between Radio and Viscocidad is not

    10-1

    -0,46

    0,60,40,2

    1,0

    0,8

    0,6

    0,4

    Viscocidad

    Radio

    causes Y.A statistically significant relationship does not imply that Xor range of values for Radio.settings for Viscocidad that correspond to a desired valueto predict Radio for a value of Viscocidad, or find theIf the model fits the data well, this equation can be used Y = 0,9968 - 0,7243 X

    relationship between Y and X is:The fitted equation for the linear model that describes the

    Y: RadioX: Viscocidad

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = 0,9968 - 0,7243 X

    Comments

    Regression for Radio vs ViscocidadSummary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

    Ejercicio 1.3

    Estudiante Evaluacin a mediosemestre

    Calificacin final

    1 82 76

    2 73 83

    3 95 89

    4 66 76

    5 84 796 89 73

    7 51 62

    8 82 89

    9 75 77

    10 90 85

    11 60 48

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    12 81 69

    13 34 51

    14 49 25

    15 87 74

    and Calificacin final is statistically significant (p < 0,05).The relationship between Evaluacin a medio semestre

    > 0,50,10,050

    NoYes

    P = 0,001

    can be accounted for by the regression model.56,80% of the variation in Evaluacin a medio semestre

    100%0%

    R-sq (adj) = 56,80%

    also tends to increase.Calificacin final increases, Evaluacin a medio semestreThe positive correlation (r = 0,77) indicates that when

    10-1

    0,77

    80604020

    100

    80

    60

    40

    Calificacin final

    Evaluacinamediosemestre

    causes Y.A statistically significant relationship does not imply that XEvaluacin a medio semestre.that correspond to a desired value or range of values forCalificacin final, or find the settings for Calificacin finalto predict Evaluacin a medio semestre for a value ofIf the model fits the data well, this equation can be used Y = 18,09 + 0,7828 Xrelationship between Y and X is:The fitted equation for the linear model that describes the

    Y: Evaluacin a medio semestreX: Calificacin final

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = 18,09 + 0,7828 X

    Comments

    Regression for Evaluacin a medio semestre vs Calificacin finalSummary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

    Ejercicio 1.4

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    statistically significant (p > 0.05).The relationship between ndice and Das is not

    > 0.50.10.050

    NoYes

    P = 0.127

    the regression model.9.84% of the variation in ndice can be accounted for by

    100%0%

    R-sq (adj) = 9.84%

    statistically significant (p > 0.05).The correlation between ndice and Das is not

    10-1

    0.40

    100806040

    18

    17

    16

    Das

    ndice

    causes Y.A statistically significant relationship does not imply that Xfor ndice.Das that correspond to a desired value or range of valuesto predict ndice for a value of Das, or find the settings forIf the model fits the data well, this equation can be used Y = 16.59 + 0.01036 X

    relationship between Y and X is:The fitted equation for the linear model that describes the

    Y: ndiceX: Das

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = 16.59 + 0.01036 X

    Comments

    Regression for ndice vs DasSummary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

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    Ejercicio 1.5

    significant (p < 0,05).The relationship between WT and TL is statistically

    > 0,50,10,050

    NoYes

    P = 0,000

    the regression model.89,19% of the variation in WT can be accounted for by

    100%0%

    R-sq (adj) = 89,19%

    TL increases, WT also tends to increase.The positive correlation (r = 0,95) indicates that when

    10-1

    0,95

    400300200100

    1200

    800

    400

    0

    TL

    WT

    causes Y.A statistically significant relationship does not imply that XWT.that correspond to a desired value or range of values forto predict WT for a value of TL, or find the settings for TLIf the model fits the data well, this equation can be used Y = - 595,6 + 3,567 Xrelationship between Y and X is:The fitted equation for the linear model that describes the

    Y: WTX: TL

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = - 595,6 + 3,567 X

    Comments

    Regression for WT vs TLSummary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

    Ejercicio 1.6

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    Promesas hechas is statistically significant (p < 0,05).The relationship between promesas no cumplidas and

    > 0,50,10,050

    NoYes

    P = 0,001

    be accounted for by the regression model.74,82% of the variation in promesas no cumplidas can

    100%0%

    R-sq (adj) = 74,82%

    tends to decrease.Promesas hechas increases, promesas no cumplidasThe negative correlation (r = -0,88) indicates that when

    10-1

    -0,88

    6050403020

    6

    4

    2

    Promesas hechas

    promesasnocumplidas

    causes Y.A statistically significant relationship does not imply that Xpromesas no cumplidas.correspond to a desired value or range of values forhechas, or find the settings for Promesas hechas thatto predict promesas no cumplidas for a value of PromesasIf the model fits the data well, this equation can be used Y = 9,268 - 0,1180 X

    relationship between Y and X is:The fitted equation for the linear model that describes the

    Y: promesas no cumplidasX: Promesas hechas

    Is there a relationship between Y and X?Fitted Line Plot for Linear Model

    Y = 9,268 - 0,1180 X

    Comments

    Regression for promesas no cumplidas vs Promesas hechasSummary Report

    %of variation accounted for by model

    Correlation between Y and XNegative No correlation Positive

    Ejercicio1.11Regression Analysis: Peso final Y versus Peso Inicial; Alimento Con

    The regression equation isPeso final Y = - 23,0 + 1,40 Peso Inicial X1 + 0,218 Alimento Consumido X2

    Predictor Coef SE Coef T PConstant -22,99 17,76 -1,29 0,237Peso Inicial X1 1,3957 0,5825 2,40 0,048Alimento Consumido X2 0,21761 0,05777 3,77 0,007

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    S = 6,05079 R-Sq = 87,3% R-Sq(adj) = 83,7%

    Analysis of Variance

    Source DF SS MS F PRegression 2 1764,22 882,11 24,09 0,001Residual Error 7 256,28 36,61Total 9 2020,50

    Source DF Seq SSPeso Inicial X1 1 1244,66Alimento Consumido X2 1 519,56

    Ejercicio1.12Regression Analysis: Y versus X1; X2; X3; X4

    The regression equation isY = - 162 + 0,600 X1 + 9,56 X2 + 1,71 X3 + 0,222 X4

    Predictor Coef SE Coef T PConstant -161,9 179,3 -0,90 0,397X1 0,6002 0,3138 1,91 0,097X2 9,558 4,534 2,11 0,073

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    X3 1,714 1,445 1,19 0,274X4 0,2224 0,6987 0,32 0,760

    S = 14,5781 R-Sq = 77,7% R-Sq(adj) = 64,9%

    Analysis of Variance

    Source DF SS MS F PRegression 4 5168,6 1292,2 6,08 0,020Residual Error 7 1487,6 212,5Total 11 6656,3

    Source DF Seq SSX1 1 3758,9X2 1 1109,4X3 1 278,8X4 1 21,5

    Unusual Observations

    Obs X1 Y Fit SE Fit Residual St Resid9 75,0 267,00 287,83 10,96 -20,83 -2,17R

    R denotes an observation with a large standardized residual.

    Ejercicio1.13

    Regression Analysis: Y versus X1, X2, X3, X4, X5

    The regression equation is

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    Y = - 6.51 + 2.00 X1 - 3.68 X2 + 2.52 X3 + 5.16 X4 + 14.4 X5

    Predictor Coef SE Coef T PConstant -6.5122 0.9336 -6.98 0.000X1 1.999 2.573 0.78 0.449

    X2 -3.675 2.774 -1.32 0.204X3 2.524 6.347 0.40 0.696X4 5.158 3.660 1.41 0.178X5 14.401 4.856 2.97 0.009

    S = 0.703452 R-Sq = 96.3% R-Sq(adj) = 95.2%

    Analysis of Variance

    Source DF SS MS F PRegression 5 208.007 41.601 84.07 0.000Residual Error 16 7.918 0.495Total 21 215.925

    Source DF Seq SSX1 1 199.145X2 1 0.127X3 1 4.120X4 1 0.263X5 1 4.352

    Unusual Observations

    Obs X1 Y Fit SE Fit Residual St Resid2 1.55 2.900 3.860 0.529 -0.960 -2.07R18 1.72 6.360 7.621 0.390 -1.261 -2.15R

    R denotes an observation with a large standardized residual.

    Ejercicio1.14

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    Regression Analysis: Q3 versus P1, P2, P3, Q1, Q2

    The regression equation isQ3 = 89.0 - 0.079 P1 + 0.090 P2 - 1.29 P3 + 0.403 Q1 + 1.04 Q2

    Predictor Coef SE Coef T PConstant 88.97 32.53 2.74 0.011P1 -0.0786 0.3544 -0.22 0.826P2 0.0896 0.4197 0.21 0.833P3 -1.2852 0.2977 -4.32 0.000Q1 0.4035 0.3751 1.08 0.292Q2 1.0369 0.5140 2.02 0.055

    S = 13.6522 R-Sq = 59.1% R-Sq(adj) = 50.9%

    Analysis of Variance

    Source DF SS MS F PRegression 5 6737.7 1347.5 7.23 0.000Residual Error 25 4659.5 186.4Total 30 11397.2

    Source DF Seq SSP1 1 99.2P2 1 533.2P3 1 5024.7Q1 1 322.1Q2 1 758.5

    Unusual Observations

    Obs P1 Q3 Fit SE Fit Residual St Resid9 41.0 68.49 40.66 5.36 27.83 2.22R14 49.0 10.70 34.99 9.01 -24.29 -2.37R15 59.0 77.24 50.60 6.67 26.64 2.24R

    R denotes an observation with a large standardized residual.

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    Ejercicio1.15

    Regression Analysis: All versus Energy, trans, Med

    The regression equation isAll = - 3.82 - 0.346 Energy + 1.35 trans + 0.0449 Med

    Predictor Coef SE Coef T PConstant -3.818 1.535 -2.49 0.018Energy -0.34637 0.08043 -4.31 0.000trans 1.3462 0.1316 10.23 0.000Med 0.04491 0.03892 1.15 0.257

    S = 1.11641 R-Sq = 99.9% R-Sq(adj) = 99.9%

    Analysis of Variance

    Source DF SS MS F PRegression 3 56279 18760 15051.66 0.000Residual Error 31 39 1Total 34 56318

    Source DF Seq SSEnergy 1 51848trans 1 4430

    Med 1 2

    Unusual Observations

    Obs Energy All Fit SE Fit Residual St Resid15 38 49.300 46.544 0.250 2.756 2.53R16 42 53.800 51.177 0.223 2.623 2.40R35 105 148.200 150.219 0.595 -2.019 -2.14R

    R denotes an observation with a large standardized residual.

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    Ejercicio1.16

    Welcome to Minitab, press F1 for help.

    Regression Analysis: Iron versus Phos

    The regression equation isIron = 0.171 - 0.0273 Phos

    Predictor Coef SE Coef T PConstant 0.17124 0.02574 6.65 0.000Phos -0.02732 0.03181 -0.86 0.406

    S = 0.0659626 R-Sq = 5.4% R-Sq(adj) = 0.0%

    Analysis of Variance

    Source DF SS MS F PRegression 1 0.003209 0.003209 0.74 0.406Residual Error 13 0.056564 0.004351Total 14 0.059773

    Unusual Observations

    Obs Phos Iron Fit SE Fit Residual St Resid1 0.05 0.3300 0.1699 0.0246 0.1601 2.62R15 2.00 0.1700 0.1166 0.0475 0.0534 1.17 X

    R denotes an observation with a large standardized residual.X denotes an observation whose X value gives it large leverage.

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    Ejercicio1.17Regression Analysis: y versus t

    The regression equation isy = 1.98 + 1.39 t

    Predictor Coef SE Coef T PConstant 1.9800 0.8590 2.30 0.033t 1.39432 0.07730 18.04 0.000

    S = 1.99334 R-Sq = 94.8% R-Sq(adj) = 94.5%

    Analysis of Variance

    Source DF SS MS F P

    Regression 1 1292.8 1292.8 325.37 0.000Residual Error 18 71.5 4.0Total 19 1364.4

    Unusual Observations

    Obs t y Fit SE Fit Residual St Resid20 19.0 32.425 28.472 0.859 3.953 2.20R

    R denotes an observation with a large standardized residual.

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    Ejercicio1.18

    Regression Analysis: Perdida de Peso y versus Mes despues de Producido x

    The regression equation isPerdida de Peso y = - 0.422 + 2.88 Mes despues de Producido x

    Predictor Coef SE Coef T PConstant -0.4220 0.5184 -0.81 0.439Mes despues de Producido x 2.8778 0.3342 8.61 0.000

    S = 0.758866 R-Sq = 90.3% R-Sq(adj) = 89.0%

    Analysis of Variance

    Source DF SS MS F PRegression 1 42.703 42.703 74.15 0.000Residual Error 8 4.607 0.576Total 9 47.310

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    Ejercicio1.19

    Regression Analysis: Y versus X

    The regression equation isY = 12.3 - 0.0308 X

    Predictor Coef SE Coef T PConstant 12.2909 0.7491 16.41 0.000X -0.030773 0.003571 -8.62 0.000

    S = 0.749146 R-Sq = 89.2% R-Sq(adj) = 88.0%

    Analysis of Variance

    Source DF SS MS F PRegression 1 41.666 41.666 74.24 0.000Residual Error 9 5.051 0.561Total 10 46.717

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    Ejercicio1.20

    Regression Analysis: Carbonatacin y versus Temperaturas X1, Presin X2

    The regression equation isCarbonatacin y = - 140 + 1.38 Temperaturas X1 + 4.67 Presin X2

    Predictor Coef SE Coef T PConstant -139.75 23.38 -5.98 0.000Temperaturas X1 1.3812 0.8061 1.71 0.121Presin X2 4.6730 0.2986 15.65 0.000

    S = 1.03173 R-Sq = 97.2% R-Sq(adj) = 96.6%

    Analysis of Variance

    Source DF SS MS F PRegression 2 332.61 166.30 156.23 0.000Residual Error 9 9.58 1.06Total 11 342.19

    Source DF Seq SSTemperaturas X1 1 71.83Presin X2 1 260.78

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    EJERCICIO 3.1

    Factor Type Levels ValuesQuimico fixed 5 Q1. Q2. Q3. Q4. Q5

    Analysis of Variance for Prenda, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PQuimico 4 14,00 14,00 3,50 0,30 0,876Error 15 177,75 177,75 11,85

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    Total 19 191,75

    S = 3,44238 R-Sq = 7,30% R-Sq(adj) = 0,00%

    Unusual Observations for Prenda

    Obs Prenda Fit SE Fit Residual St Resid6 67,0000 73,2500 1,7212 -6,2500 -2,10 R

    R denotes an observation with a large standardized residual.

    EJERCICIO 3.2

    Factor Type Levels ValuesSOLUCIN fixed 3 S1. S2. S3

    Analysis of Variance for DAS, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PSOLUCIN 2 703,5 703,5 351,8 2,73 0,118Error 9 1158,8 1158,8 128,8Total 11 1862,3

    S = 11,3468 R-Sq = 37,78% R-Sq(adj) = 23,95%

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    EJERCICIO 3.4

    Factor Type Levels ValuesDistancia (ft) fixed 4 D10. D4. D6. D8

    Analysis of Variance for Sujeto, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PDistancia (ft) 3 67,600 67,600 22,533 2,66 0,083Error 16 135,600 135,600 8,475Total 19 203,200

    S = 2,91119 R-Sq = 33,27% R-Sq(adj) = 20,76%

    Unusual Observations for Sujeto

    Obs Sujeto Fit SE Fit Residual St Resid1 17,0000 8,2000 1,3019 8,8000 3,38 R

    R denotes an observation with a large standardized residual.

    EJERCICIO 3.5

    Factor Type Levels ValuesLUGAR fixed 3 L1A. L2B. L3C

    Analysis of Variance for RENDIMIENTO, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PLUGAR 2 24,50 24,50 12,25 0,52 0,613Error 9 213,50 213,50 23,72Total 11 238,00

    S = 4,87055 R-Sq = 10,29% R-Sq(adj) = 0,00%

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    EJERCICIO 3.6

    Factor Type Levels ValuesESTUDIANTE Y MATERIA fixed 5 E1. E2. E3. E4. E5

    Analysis of Variance for CALIFICACIN, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PESTUDIANTE Y MATERIA 4 1618,70 1618,70 404,67 5,26 0,008Error 15 1154,25 1154,25 76,95Total 19 2772,95

    S = 8,77211 R-Sq = 58,37% R-Sq(adj) = 47,27%

    EJERCICIO 3.7

    Factor Type Levels ValuesCURSO fixed 4 A. B. C. D

    Analysis of Variance for CALIFICACIN, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PCURSO 3 723,50 723,50 241,17 2,85 0,082Error 12 1014,50 1014,50 84,54Total 15 1738,00

    S = 9,19465 R-Sq = 41,63% R-Sq(adj) = 27,04%

    Unusual Observations for CALIFICACIN

    Obs CALIFICACIN Fit SE Fit Residual St Resid16 97,0000 80,5000 4,5973 16,5000 2,07 R

    R denotes an observation with a large standardized residual.

    EJERCICIO 3.8

    Factor Type Levels Values

    Trabajador fixed 5 1, 2, 3, 4, 5

    Analysis of Variance for C2, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PTrabajador 4 12.434 12.434 3.109 2.22 0.104Error 20 28.052 28.052 1.403Total 24 40.486

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    S = 1.18431 R-Sq = 30.71% R-Sq(adj) = 16.86%

    EJERCICIO 3.9

    Source DF Seq SS Adj SS Adj MS F PDIA 4 15,440 15,440 3,860 0,40 0,804Error 20 191,200 191,200 9,560Total 24 206,640

    S = 3,09192 R-Sq = 7,47% R-Sq(adj) = 0,00%

    EJERCICIO 3.10

    Analysis of Variance for EFECTO, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PDIA 4 15,440 15,440 3,860 0,40 0,804Error 20 191,200 191,200 9,560Total 24 206,640

    UNIDAD 4

    4.1 General Linear Model: RENDIMIENTO versus TEMPERATURA, HORNO

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    Factor Type Levels ValuesTEMPERATURA fixed 3 t1, t2, t3HORNO fixed 4 H1, H2, H3, H4

    Analysis of Variance for RENDIMIENTO, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PTEMPERATURA 2 5194.1 5194.1 2597.0 8.13 0.006HORNO 3 4963.1 4963.1 1654.4 5.18 0.016TEMPERATURA*HORNO 6 3126.3 3126.3 521.0 1.63 0.222Error 12 3833.5 3833.5 319.5Total 23 17117.0

    S = 17.8734 R-Sq = 77.60% R-Sq(adj) = 57.07%

    4.2 General Linear Model: TIEMPO versus MARCA, SEMANA

    Factor Type Levels ValuesMARCA fixed 3 M1, M2, M3SEMANA fixed 3 S0, S3, S7

    Analysis of Variance for TIEMPO, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PMARCA 2 32.752 32.752 16.376 1.74 0.195SEMANA 2 227.212 227.212 113.606 12.04 0.000MARCA*SEMANA 4 17.322 17.322 4.330 0.46 0.765Error 27 254.702 254.702 9.433Total 35 531.988

    S = 3.07139 R-Sq = 52.12% R-Sq(adj) = 37.94%

    Unusual Observations for TIEMPO

    Obs TIEMPO Fit SE Fit Residual St Resid5 56.0000 50.5000 1.5357 5.5000 2.07 R15 42.8000 48.6500 1.5357 -5.8500 -2.20 R

    R denotes an observation with a large standardized residual.

    4.4 General Linear Model: Rendimiento versus Recover, Humedad

    Factor Type Levels ValuesRecover fixed 3 R1, R2, R3Humedad fixed 3 H1, H2, H3

    Analysis of Variance for Rendimiento, using Adjusted SS for Tests

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    Source DF Seq SS Adj SS Adj MS F PRecover 2 1535021 1535021 767511 6.87 0.002Humedad 2 1020639 1020639 510320 4.57 0.016Recover*Humedad 4 1089990 1089990 272497 2.44 0.061Error 45 5028397 5028397 111742Total 53 8674047

    S = 334.279 R-Sq = 42.03% R-Sq(adj) = 31.72%

    Unusual Observations for Rendimiento

    Obs Rendimiento Fit SE Fit Residual St Resid5 1236.00 536.33 136.47 699.67 2.29 R7 130.00 888.50 136.47 -758.50 -2.49 R9 1595.00 888.50 136.47 706.50 2.32 R

    R denotes an observation with a large standardized residual.

    4.5 General Linear Model: Rendimiento versus Temperatura, Catalizador

    Factor Type Levels ValuesTemperatura fixed 4 t1, t2, t3, t4Catalizador fixed 5 c1, c2, c3, c4, c5

    Analysis of Variance for Rendimiento, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PTemperatura 3 430.48 430.48 143.49 10.85 0.000Catalizador 4 2466.65 2466.65 616.66 46.63 0.000Temperatura*Catalizador 12 326.15 326.15 27.18 2.06 0.074

    Error 20 264.50 264.50 13.23Total 39 3487.78

    S = 3.63662 R-Sq = 92.42% R-Sq(adj) = 85.21%

    Unusual Observations for Rendimiento

    Obs Rendimiento Fit SE Fit Residual St Resid23 70.0000 62.5000 2.5715 7.5000 2.92 R24 55.0000 62.5000 2.5715 -7.5000 -2.92 R29 73.0000 67.0000 2.5715 6.0000 2.33 R30 61.0000 67.0000 2.5715 -6.0000 -2.33 R

    R denotes an observation with a large standardized residual.

    4.6 General Linear Model: Rendimiento versus A, C, B

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    Factor Type Levels ValuesA fixed 2 a1, a2C fixed 3 c1, c2, c3B fixed 3 b1, b2, b3

    Analysis of Variance for Rendimiento, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F PA 1 2.241 2.241 2.241 0.51 0.478C 2 17.651 17.651 8.826 2.02 0.146B 2 56.318 56.318 28.159 6.44 0.004A*B 2 31.471 31.471 15.736 3.60 0.037A*C 2 31.203 31.203 15.601 3.57 0.037C*B 4 21.561 21.561 5.390 1.23 0.312Error 40 174.839 174.839 4.371Total 53 335.284

    S = 2.09068 R-Sq = 47.85% R-Sq(adj) = 30.91%

    Unusual Observations for Rendimiento

    Obs Rendimiento Fit SE Fit Residual St Resid3 22.1000 17.4481 1.0645 4.6519 2.59 R4 11.3000 15.7852 1.0645 -4.4852 -2.49 R49 19.2000 13.4648 1.0645 5.7352 3.19 R52 7.8000 11.6352 1.0645 -3.8352 -2.13 R

    4.7 General Linear Model: potencia versus temperatura, estado, dureza

    Factor Type Levels Valuestemperatura fixed 3 t1, t2, t3estado fixed 3 e1, e2, e3dureza fixed 3 d1, d2, d3

    Analysis of Variance for potencia, using Adjusted SS for Tests

    Source DF Seq SS Adj SS Adj MS F Ptemperatura 2 0.166169 0.166169 0.083084 12.03 0.000estado 2 0.078252 0.078252 0.039126 5.67 0.005dureza 2 0.019469 0.019469 0.009734 1.41 0.250temperatura*estado 4 0.128454 0.128454 0.032113 4.65 0.002temperatura*dureza 4 0.062804 0.062804 0.015701 2.27 0.067estado*dureza 4 0.126437 0.126437 0.031609 4.58 0.002

    Error 89 0.614449 0.614449 0.006904Total 107 1.196032

    S = 0.0830898 R-Sq = 48.63% R-Sq(adj) = 38.24%

    Unusual Observations for potencia

    Obs potencia Fit SE Fit Residual St Resid

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    15 0.580000 0.427685 0.034851 0.152315 2.02 R18 0.430000 0.588796 0.034851 -0.158796 -2.11 R49 0.310000 0.474352 0.034851 -0.164352 -2.18 R52 0.660000 0.474352 0.034851 0.185648 2.46 R75 0.780000 0.575185 0.034851 0.204815 2.72 R79 0.740000 0.578796 0.034851 0.161204 2.14 R

    103 0.740000 0.556296 0.034851 0.183704 2.44 R

    R denotes an observation with a large standardized residual.