weight age Height annual salary (in 1000) years of education # people you superv
ID: 3224631 • Letter: W
Question
weight
age
Height
annual salary (in 1000)
years of education
# people you supervise
age at birth of first child
Internet usage
116
18
63
18
12
2
16
20
116
19
65
29
13
5
18
18
117
18
64
14
12
0
17
18
120
18
68
20
13
0
16
19
120
19
65
22
14
1
17
17
130
20
65
25
14
10
20
16
130
22
66
38
15
20
20
14
130
25
66
50
18
0
25
12
130
42
66
80
21
56
32
2
132
20
67
27
14
2
19
15
135
27
70
40
18
1
21
11
136
28
69
48
18
1
20
10
137
29
69
45
19
25
25
9
137
30
69
50
19
0
28
8
138
30
70
65
20
40
30
8
139
34
70
67
22
0
30
0
140
21
70
30
15
6
20
14
148
25
65
48
16
30
22
13
149
35
71
150
22
300
35
17
149
40
71
80
20
45
30
4
150
21
69
35
15
0
17
8
152
41
72
95
21
98
31
3
160
40
72
66
20
0
38
5
160
45
68
70
22
75
40
0
170
45
73
150
22
267
41
0
less than 0.90Explanation / Answer
Minitab Output:
Regression Analysis: annual salar versus weight, age, Height, years of edu, people you s, ...
Analysis of Variance
Source DF Adj SS Adj MS F-Value P-Value
Regression 7 30169.5 4309.92 88.83 0.000
weight 1 3.8 3.76 0.08 0.784
age 1 40.3 40.26 0.83 0.375
Height 1 57.7 57.68 1.19 0.291
years of education 1 263.2 263.23 5.43 0.032
people you supervise 1 4179.9 4179.88 86.15 0.000
age at birth of first child 1 3.3 3.26 0.07 0.799
Internet usage 1 2.8 2.82 0.06 0.812
Error 17 824.8 48.52
Total 24 30994.2
Model Summary
S R-sq R-sq(adj) R-sq(pred)
6.96542 97.34% 96.24% 92.51%
Coefficients
Term Coef SE Coef T-Value P-Value VIF
Constant -81.8 54.3 -1.51 0.150
weight -0.061 0.218 -0.28 0.784 4.95
age 0.606 0.666 0.91 0.375 18.84
Height 0.997 0.914 1.09 0.291 3.18
years of education 3.10 1.33 2.33 0.032 10.48
people you supervise 0.2957 0.0319 9.28 0.000 3.07
age at birth of first child -0.171 0.660 -0.26 0.799 13.30
Internet usage -0.162 0.672 -0.24 0.812 9.26
Regression Equation
annual salary (in 1000) = -81.8 - 0.061 weight + 0.606 age + 0.997 Height
+ 3.10 years of education + 0.2957 people you supervise
- 0.171 age at birth of first child - 0.162 Internet usage
From above output R square is 97.34% which is more than 96.
Hope this will be helpful. Thanks and god Bless You :-):-)
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