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  • 8/3/2019 Math Assignment 5

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    SUMMARY OUTPUT

    Regression Statistics

    Multiple R 0.995059

    R Square 0.990142

    Adjusted R 0.98891

    Standard E 0.026886Observatio 10

    ANOVA

    df SS MS F ignificance F

    Regression 1 0.5808 0.5808 803.5068 2.59E-09

    Residual 8 0.005783 0.000723

    Total 9 0.586583

    Coefficientsandard Err t Stat P-value Lower 95% Upper 95% ower 95.0 pper 95.0

    Intercept 4.384155 0.061252 71.57535 1.62E-12 4.242907 4.525403 4.242907 4.525403

    X Variable -0.45319 0.015988 -28.3462 2.59E-09 -0.49006 -0.41632 -0.49006 -0.41632

    RESIDUAL OUTPUT

    bservationPredicted Y Residuals dard Residuals

    1 3.113431 -0.02239 -0.88324

    2 2.965953 0.029779 1.174811

    3 2.854867 -0.02165 -0.85425

    4 2.749817 0.022772 0.8983685 2.651827 -0.01277 -0.50379

    6 2.581968 -0.01702 -0.6714

    7 2.521453 0.043496 1.715967

    8 2.468075 0.016831 0.664013

    9 2.420327 -0.02243 -0.88496

    10 2.319201 -0.01662 -0.65552

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    -0.04

    -0.02

    0

    0.02

    0.04

    0.06

    0.000 1.000 2.000 3.000 4.000 5.000Residuals

    X Variable 1

    X Variable 1 Residual Plot

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    SUMMARY OUTPUT

    Regression Statistics

    Multiple R 0.973155

    R Square 0.947031

    Adjusted R 0.94041

    Standard E 0.06232Observatio 10

    ANOVA

    df SS MS F ignificance F

    Regression 1 0.555512 0.555512 143.0316 2.2E-06

    Residual 8 0.031071 0.003884

    Total 9 0.586583

    Coefficientsandard Err t Stat P-value Lower 95% Upper 95% ower 95.0 pper 95.0

    Intercept 3.16414 0.046178 68.52077 2.29E-12 3.057653 3.270626 3.057653 3.270626

    X Variable -0.00988 0.000826 -11.9596 2.2E-06 -0.01179 -0.00798 -0.01179 -0.00798

    RESIDUAL OUTPUT

    bservationPredicted Y Residuals dard Residuals

    1 3.001004 0.090039 1.532413

    2 2.938259 0.057473 0.978166

    3 2.875514 -0.0423 -0.71994

    4 2.800221 -0.02763 -0.470285 2.712378 -0.07332 -1.24788

    6 2.637084 -0.07213 -1.2277

    7 2.561791 0.003159 0.053759

    8 2.486497 -0.00159 -0.02707

    9 2.411203 -0.01331 -0.2265

    10 2.222969 0.079616 1.355016

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    -0.1

    -0.05

    0

    0.05

    0.1

    0.000 20.000 40.000 60.000 80.000 100.000 120.000Residuals

    X Variable 1

    X Variable 1 Residual Plot

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    Length(Inches) Length(cm) No. Of Swings

    6.5 16.51 22

    9 22.86 20

    11.5 29.21 17

    14.5 36.83 16

    18 45.72 14

    21 53.34 1324 60.96 13

    27 68.58 12

    30 76.2 11

    37.5 95.25 10

    a)

    y = -0.1467x + 22.217

    R = 0.8904

    0

    5

    10

    15

    20

    25

    0 20 40 60 80 100 120

    NumberofSwings

    Length (cm)

    Graph of Number of Swings Against Length (cm)

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    b)

    -2

    -1.5

    -1

    -0.5

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 100 120Residuals

    Length (cm)

    X Variable 1 Residual Plot

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    c) Power Relationship

    Length(Inches) Length(cm) No. Of Swings Ln X Ln Y

    6.500 16.510 22.000 2.804 3.091

    9.000 22.860 20.000 3.129 2.996

    11.500 29.210 17.000 3.375 2.833

    14.500 36.830 16.000 3.606 2.773

    18.000 45.720 14.000 3.823 2.63921.000 53.340 13.000 3.977 2.565

    24.000 60.960 13.000 4.110 2.565

    27.000 68.580 12.000 4.228 2.485

    30.000 76.200 11.000 4.333 2.398

    37.500 95.250 10.000 4.557 2.303

    y = 80.17x-0.453

    R = 0.9901

    0

    5

    10

    15

    20

    25

    0 20 40 60 80 100 120

    NumberofSwings

    Length (cm)

    Graph of Number of Swings Against Length (cm)

    y = -0.4532x + 4.3842

    R = 0.9901

    0.000

    0.500

    1.000

    1.500

    2.000

    2.500

    3.000

    3.500

    0.000 0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000

    Ln(NumberofSwings)

    Ln(Length)

    Graph of Ln(Number of Swings) Against Ln(Length)

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    c) Exponential Relationship

    Length(Inches) Length(cm) No. Of Swings X Ln Y

    6.5 16.51 22 16.510 3.091

    9 22.86 20 22.860 2.996

    11.5 29.21 17 29.210 2.833

    14.5 36.83 16 36.830 2.773

    18 45.72 14 45.720 2.63921 53.34 13 53.340 2.565

    24 60.96 13 60.960 2.565

    27 68.58 12 68.580 2.485

    30 76.2 11 76.200 2.398

    37.5 95.25 10 95.250 2.303

    y = 23.668e-0.01xR = 0.947

    0

    5

    10

    15

    20

    25

    0 20 40 60 80 100 120

    NumberofSwings

    Length (cm)

    Graph of Number of Swings Against Length (cm)

    y = -0.0099x + 3.1641

    R = 0.947

    0.000

    0.500

    1.000

    1.500

    2.000

    2.500

    3.000

    3.500

    0.000 20.000 40.000 60.000 80.000 100.000 120.000

    Ln(Num

    berofSwings)

    Length (cm)

    Graph of Ln(Number of Swings) Against Length

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    d)

    Length(Inches) Length(cm) No. Of Swings Period, T

    6.5 16.51 22 0.909

    9 22.86 20 1.000

    11.5 29.21 17 1.176

    14.5 36.83 16 1.250

    18 45.72 14 1.42921 53.34 13 1.538

    24 60.96 13 1.538

    27 68.58 12 1.667

    30 76.2 11 1.818

    37.5 95.25 10 2.000

    y = 0.0138x + 0.7338

    R = 0.9815

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 100 120

    Period(T)

    Length (m)

    Graph of Period (T) Against Length (m)

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    Length(In.) Length(cm) Swing Period

    6.5 16.51 22.50984266 0.888500213

    9 22.86 19.42452257 1.029626336

    11.5 29.21 17.38305436 1.150545789

    14.5 36.83 15.65029416 1.277931251

    18 45.72 14.19004475 1.409438825

    21 53.34 13.23295603 1.51137810424 60.96 12.4562271 1.605622621

    27 68.58 11.80903541 1.693618429

    30 76.2 11.25864905 1.776412065

    37.5 95.25 10.17620965 1.965368314

    y = 0.0136x + 0.7442

    R = 0.9825

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 100 120

    Period(T)

    Length (m)

    Graph of Period (T) Against Length (m)

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    SUMMARY OUTPUT

    Regression Statistics

    Multiple R 0.943585

    R Square 0.890352

    Adjusted R 0.876646

    Standard E 1.373299Observatio 10

    ANOVA

    df SS MS F ignificance F

    Regression 1 122.5124 122.5124 64.9606 4.14E-05

    Residual 8 15.08759 1.885949

    Total 9 137.6

    Coefficientsandard Err t Stat P-value Lower 95% Upper 95% ower 95.0 pper 95.0

    Intercept 22.21709 1.017578 21.8333 2.04E-08 19.87055 24.56363 19.87055 24.56363

    X Variable -0.14674 0.018206 -8.05981 4.14E-05 -0.18872 -0.10476 -0.18872 -0.10476

    RESIDUAL OUTPUT

    bservationPredicted Y Residuals dard Residuals

    1 19.79442 2.205579 1.703467

    2 18.86263 1.137374 0.878445

    3 17.93083 -0.93083 -0.71892

    4 16.81268 -0.81268 -0.627675 15.50816 -1.50816 -1.16482

    6 14.39001 -1.39001 -1.07357

    7 13.27186 -0.27186 -0.20997

    8 12.1537 -0.1537 -0.11871

    9 11.03555 -0.03555 -0.02746

    10 8.240163 1.759837 1.359201

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    -2

    -1.5

    -1

    -0.5

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 100 120Residuals

    X Variable 1

    X Variable 1 Residual Plot

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    Length(In.) Length(cm)No. Of Swings

    6.5 16.51 22

    9 22.86 20

    11.5 29.21 17

    14.5 36.83 16

    18 45.72 14

    21 53.34 1324 60.96 13

    27 68.58 12

    30 76.2 11

    37.5 95.25 10

    y = 80.17x-0.453

    R = 0.9901

    0

    5

    10

    15

    20

    25

    0 20 40 60 80 1

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    00 120

    Series1

    Power (Series1)

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    Length(In.) Length(cm)No. Of Swings

    6.5 16.51 22

    9 22.86 20

    11.5 29.21 17

    14.5 36.83 16

    18 45.72 14

    21 53.34 1324 60.96 13

    27 68.58 12

    30 76.2 11

    37.5 95.25 10

    y = 23.668e-0.01x

    R = 0.947

    0

    5

    10

    15

    20

    25

    0 20 40 60 80 1

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    00 120

    Series1

    Expon. (Series1)

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    Length(In.) Length(cm)No. Of Swi Period, T

    6.5 16.51 22 0.909091 Time Take 20

    9 22.86 20 1

    11.5 29.21 17 1.176471

    14.5 36.83 16 1.25

    18 45.72 14 1.428571

    21 53.34 13 1.53846224 60.96 13 1.538462

    27 68.58 12 1.666667

    30 76.2 11 1.818182

    37.5 95.25 10 2

    y = 0.0138x + 0.7338

    R = 0.9815

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 1

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    00 120

    Series1

    Linear (Series1)

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    Length(In.) Length(cm) Swing Period

    6.5 16.51 22.50984266 0.888500213

    9 22.86 19.42452257 1.029626336

    11.5 29.21 17.38305436 1.150545789

    14.5 36.83 15.65029416 1.277931251

    18 45.72 14.19004475 1.409438825

    21 53.34 13.23295603 1.51137810424 60.96 12.4562271 1.605622621

    27 68.58 11.80903541 1.693618429

    30 76.2 11.25864905 1.776412065

    37.5 95.25 10.17620965 1.965368314

    y = 0.0136x + 0.7442

    R = 0.9825

    0

    0.5

    1

    1.5

    2

    2.5

    0 20 40 60 80 100 120

    Series1

    Linear (Series1)