Tabel 1. Data Indeks Massa Tubuh (IMT) dan Glukosa Post
Prandial
No
|
GPP (Y)
|
IMT (X)
|
|||||
1
|
150
|
18,6
|
7,962963
|
-3,003704
|
-23,91838134
|
9,02223594
|
|
2
|
150
|
28,1
|
7,962963
|
6,496296
|
51,7297668
|
42,20186557
|
|
3
|
120
|
25,1
|
-22,03704
|
3,496296
|
-77,04801097
|
12,22408779
|
|
4
|
150
|
21,6
|
7,962963
|
-0,003704
|
-0,029492455
|
1,37174E-05
|
|
5
|
190
|
28,4
|
47,962963
|
6,796296
|
325,9705075
|
46,18964335
|
|
6
|
110
|
20,8
|
-32,03704
|
-0,803704
|
25,74828532
|
0,645939643
|
|
7
|
150
|
23,2
|
7,962963
|
1,596296
|
12,71124829
|
2,548161866
|
|
8
|
130
|
15,9
|
-12,03704
|
-5,703704
|
68,65569273
|
32,53223594
|
|
9
|
130
|
16,4
|
-12,03704
|
-5,203704
|
62,63717421
|
27,07853224
|
|
10
|
120
|
18,2
|
-22,03704
|
-3,403704
|
75,00754458
|
11,5851989
|
|
11
|
130
|
17,9
|
-12,03704
|
-3,703704
|
44,58161866
|
13,71742112
|
|
12
|
140
|
21,8
|
-2,037037
|
0,196296
|
-0,399862826
|
0,038532236
|
|
13
|
100
|
16,1
|
-42,03704
|
-5,503704
|
231,3593964
|
30,29075446
|
|
14
|
150
|
21,5
|
7,962963
|
-0,103704
|
-0,825788752
|
0,010754458
|
|
15
|
130
|
24,5
|
-12,03704
|
2,896296
|
-34,86282579
|
8,388532236
|
|
16
|
180
|
23,7
|
37,962963
|
2,096296
|
79,58161866
|
4,394458162
|
|
17
|
140
|
21,9
|
-2,037037
|
0,296296
|
-0,603566529
|
0,087791495
|
|
18
|
135
|
18,6
|
-7,037037
|
-3,003704
|
21,13717421
|
9,02223594
|
|
19
|
140
|
27
|
-2,037037
|
5,396296
|
-10,99245542
|
29,12001372
|
|
20
|
100
|
18,9
|
-42,03704
|
-2,703704
|
113,6556927
|
7,310013717
|
|
21
|
100
|
16,7
|
-42,03704
|
-4,903704
|
206,1371742
|
24,04631001
|
|
22
|
170
|
18,5
|
27,962963
|
-3,103704
|
-86,78875171
|
9,63297668
|
|
23
|
150
|
19,4
|
7,962963
|
-2,203704
|
-17,54801097
|
4,856310014
|
|
24
|
160
|
24
|
17,962963
|
2,396296
|
43,04458162
|
5,74223594
|
|
25
|
200
|
26,8
|
57,962963
|
5,196296
|
301,1927298
|
27,0014952
|
|
26
|
190
|
28,7
|
47,962963
|
7,096296
|
340,3593964
|
50,35742112
|
|
27
|
120
|
21
|
-22,03704
|
-0,603704
|
13,30384088
|
0,364458162
|
|
Jumlah
|
3835
|
583,3
|
1763,796296
|
408,4096296
|
|||
Rerata
|
142,037
|
21,6037
|
|||||
SD
|
27,25447
|
3,96334
|
|||||
b1
|
4,318694
|
||||||
b0
|
48,73725
|
Dari hasil perhitungan tersebut dapat diketahui bahwa maka persamaan garis regresi adalah
Y=β0+β1X = 48,737+4,318X
Ini berarti bahwa :
a.
Nilai
rerata GDP ketika IMT=0 adalah 48,737
b.
Setiap
kenaikan IMT sebesar 1 maka akan terjadi kenaikan GPP sebesar 4,318 mg/dl
c.
Misalkan,
jika seseorang mempunyai IMT 22,5, maka prediksi GPPnya adalah
Tabel 2. Data Indeks
Massa Tubuh (IMT) dan Trigliserida
No
|
Trigliserida (Y)
|
IMT (X)
|
|||||||
1
|
180
|
18,6
|
6,481481
|
-3,0037037
|
-19,46844993
|
9,02223594
|
|||
2
|
180
|
28,1
|
6,481481
|
6,4962963
|
42,10562414
|
42,20186557
|
|||
3
|
160
|
25,1
|
-13,5185
|
3,4962963
|
-47,26474623
|
12,22408779
|
|||
4
|
180
|
21,6
|
6,481481
|
-0,0037037
|
-0,024005487
|
1,37174E-05
|
|||
5
|
210
|
28,4
|
36,48148
|
6,7962963
|
247,9389575
|
46,18964335
|
|||
6
|
140
|
20,8
|
-33,5185
|
-0,8037037
|
26,93895748
|
0,645939643
|
|||
7
|
180
|
23,2
|
6,481481
|
1,5962963
|
10,34636488
|
2,548161866
|
|||
8
|
160
|
15,9
|
-13,5185
|
-5,7037037
|
77,10562414
|
32,53223594
|
|||
9
|
160
|
16,4
|
-13,5185
|
-5,2037037
|
70,34636488
|
27,07853224
|
|||
10
|
150
|
18,2
|
-23,5185
|
-3,4037037
|
80,05006859
|
11,5851989
|
|||
11
|
160
|
17,9
|
-13,5185
|
-3,7037037
|
50,06858711
|
13,71742112
|
|||
12
|
170
|
21,8
|
-3,51852
|
0,1962963
|
-0,690672154
|
0,038532236
|
|||
13
|
130
|
16,1
|
-43,5185
|
-5,5037037
|
239,5130316
|
30,29075446
|
|||
14
|
180
|
21,5
|
6,481481
|
-0,1037037
|
-0,672153635
|
0,010754458
|
|||
15
|
160
|
24,5
|
-13,5185
|
2,8962963
|
-39,15363512
|
8,388532236
|
|||
16
|
210
|
23,7
|
36,48148
|
2,0962963
|
76,47599451
|
4,394458162
|
|||
17
|
170
|
21,9
|
-3,51852
|
0,2962963
|
-1,042524005
|
0,087791495
|
|||
18
|
165
|
18,6
|
-8,51852
|
-3,0037037
|
25,58710562
|
9,02223594
|
|||
19
|
170
|
27
|
-3,51852
|
5,3962963
|
-18,98696845
|
29,12001372
|
|||
20
|
140
|
18,9
|
-33,5185
|
-2,7037037
|
90,62414266
|
7,310013717
|
|||
21
|
130
|
16,7
|
-43,5185
|
-4,9037037
|
213,4019204
|
24,04631001
|
|||
22
|
200
|
18,5
|
26,48148
|
-3,1037037
|
-82,19067215
|
9,63297668
|
|||
23
|
180
|
19,4
|
6,481481
|
-2,2037037
|
-14,28326475
|
4,856310014
|
|||
24
|
190
|
24
|
16,48148
|
2,3962963
|
39,49451303
|
5,74223594
|
|||
25
|
230
|
26,8
|
56,48148
|
5,1962963
|
293,494513
|
27,0014952
|
|||
26
|
240
|
28,7
|
66,48148
|
7,0962963
|
471,7722908
|
50,35742112
|
|||
27
|
160
|
21
|
-13,5185
|
-0,6037037
|
8,161179698
|
0,364458162
|
|||
Jumlah
|
4685
|
583,3
|
1839,648148
|
408,4096296
|
|||||
Rerata
|
173,5185185
|
21,6037
|
|||||||
SD
|
27,23878791
|
3,96334
|
|||||||
b1
|
4,504419129
|
||||||||
b0
|
76,2063823
|
Dari hasil perhitungan tersebut dapat diketahui bahwa maka persamaan garis regresi adalah
Y=β0+β1X =
76,206 + 4,504X
Ini berarti bahwa :
a. Nilai rerata Trigliserida ketika IMT=0 adalah 76,206 mg/dl
b. Setiap kenaikan IMT sebesar 1 maka akan terjadi kenaikan
kadar trigliserida sebesar 4,504 mg/dl
c. Misalkan, jika seseorang mempunyai IMT 22,5, maka prediksi
kadar trigliseridanya adalah 76,206 + 4,504X = 76,206 + 4,504(22,5) = 177,546
mg/dl
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