Soal :
Selesaikan regresi linear
berganda skripsi mahasiswa agribisnis fakultas pertanian UIR dengan judul “pengaruh
promosi dan kualitas tanaman anglonema terhadap agribisnis anglonema
dipekanbaru” dengan menggunakan program SAS?
NO
|
X1
|
X2
|
X3
|
1.
|
150
|
89
|
79
|
2.
|
176
|
104
|
87
|
3.
|
155
|
82
|
66
|
4.
|
157
|
60
|
66
|
5.
|
178
|
167
|
83
|
6.
|
175
|
103
|
90
|
7.
|
137
|
111
|
80
|
8.
|
152
|
93
|
79
|
9.
|
144
|
78
|
63
|
10.
|
157
|
105
|
84
|
Jawaban :
IN PUT
data
mangmnt;
input
y x1 x2;
cards;
79 150
89
87 176
104
66 155
82
66 157
60
83 178
167
90 175
103
80 137
111
79 152
93
63 144
78
84 157
105
proc
reg data=mangmnt;
model
y=x1 x2;
run;
OUT
PUT
The SAS System 16:08 Friday, April 4, 1997 10
Model:
MODEL1
Dependent
Variable: Y
Analysis
of Variance
Sum
of Mean
Source DF Squares Square F Value Prob>F
Model 2
366.83517 183.41759 2.936 0.1186
Error 7
437.26483 62.46640
C Total 9
804.10000
Root MSE 7.90357 R-square 0.4562
Dep Mean 77.70000 Adj R-sq 0.3008
C.V. 10.17190
Parameter Estimates
Parameter Standard T for H0:
Variable DF
Estimate Error Parameter=0 Prob > |T|
INTERCEP 1
26.860716 30.53536243 0.880 0.4082
X1 1
0.229535 0.21650323 1.060 0.3243
X2 1
0.146671 0.10683524 1.373 0.2122
Buat persamaan
y = 26.86 + 0.23X1 + 0,15X2
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