Minggu, 15 Mei 2016

TUGAS ANALISIS REGRESI HAL. 123-124

a. Lakukan prediksi CHOL dengan variabel independen TRIG dan UM :
a.       Hitung Sum of Square for Reggression (X)
b.      Hitung Sum of Square for Residual
c.       Hitung Means of Square for Regression (X)
d.      Hitung Means of Square for Residual
e.      Hitung nilai F
f.        Hitung nilai r²
g.       Tulis model regresi

B.  Lakukan predikri Berat Badan (BB) dengan variabel independen Tinggi Badan (TB), Berat Badan tanpa Lemak (BTL) dan Asupan Kalori (AK)
a.       Hitung Sum of Square for Reggression (X)
b.      Hitung Sum of Square for Residual
c.       Hitung Means of Square for Regression (X)
d.      Hitung Means of Square for Residual
e.      Hitung nilai F
f.        Hitung nilai r²
g.       Tulis model regresi

jawaban :
Model Summary
Model
R
R Square
Adjusted R Square
Std. Error of the Estimate
1
.224a
.050
.005
25.45244
a. Predictors: (Constant), TRIGLISERIDA, UMUR


ANOVAb
Model
Sum of Squares
df
Mean Square
F
Sig.
1
Regression
1437.719
2
718.860
1.110
.339a
Residual
27208.725
42
647.827
Total
28646.444
44
a. Predictors: (Constant), TRIGLISERIDA, UMUR
b. Dependent Variable: CHOLESTEROL


Coefficientsa
Model
Unstandardized Coefficients
Standardized Coefficients
t
Sig.
B
Std. Error
Beta
1
(Constant)
192.155
24.554
7.826
.000
UMUR
.292
.464
.099
.629
.533
TRIGLISERIDA
.108
.098
.173
1.099
.278
a. Dependent Variable: CHOLESTEROL

1.       prediksi CHOL dengan variabel independen TRIG dan UM :
a.       Sum of Square for Reggression (X) = 1437.719
b.      Sum of Square for Residual = 27208.725
c.       Means of Square for Regression (X) = 718.860
d.      Means of Square for Residual = 647.827
e.      Nilai F = 1.110
f.        Nilai r² = 0.050
g.       Model regresi : CHOL=  192.155 + 0.292 UM + 0.108 TRIG

Model Summary
Model
R
R Square
Adjusted R Square
Std. Error of the Estimate
1
.978a
.956
.930
3.356
a. Predictors: (Constant), Asupan Kalori, Tinggi Badan, Berat Tanpa Lemak

ANOVAb
Model
Sum of Squares
Df
Mean Square
F
Sig.
1
Regression
1225.425
3
408.475
36.265
.001a
Residual
56.318
5
11.264
Total
1281.742
8
a. Predictors: (Constant), Asupan Kalori, Tinggi Badan, Berat Tanpa Lemak
b. Dependent Variable: Berat Badan


Coefficientsa
Model
Unstandardized Coefficients
Standardized Coefficients
t
Sig.
B
Std. Error
Beta
1
(Constant)
-34.814
18.728
-1.859
.122
Tinggi Badan
.224
.114
.199
1.962
.107
Berat Tanpa Lemak
1.334
.196
.831
6.807
.001
Asupan Kalori
.003
.002
.171
1.384
.225
a. Dependent Variable: Berat Badan

2.       prediksi Berat Badan (BB) dengan variabel independen Tinggi Badan (TB), Berat Badan tanpa Lemak (BTL) dan Asupan Kalori (AK)
a.       Sum of Square for Reggression (X) = 1225.425
b.      Sum of Square for Residual = 56.318
c.       Means of Square for Regression (X) = 408.475
d.      Means of Square for Residual = 11.264
e.      Nilai F = 36.265
f.        Nilai r² = 0.956
g.       Model regresi : BB= -34.814 + 0.224 TB + 1.334 BTL + 0.003 AK