Obs y x1 x2
1 323 100 197
2 326 89 211
3 323 86 211
4 321 108 189
5 323 101 197
6 323 113 185
7 325 106 193
8 325 94 206
9 326 101 200
10 325 86 215
11 327 116 186
12 325 100 199
13 322 97 200
14 324 102 197
15 326 91 208
16 326 115 186
17 324 77 222
18 325 103 196
19 324 102 196
20 325 102 197
X1 alone
Sum of Mean
Source DF Squares Square F Value Pr > F
Model 1 0.15647 0.15647 0.06 0.8045
Error 18 44.64353 2.48020
Corrected Total 19 44.80000
R-Square 0.0035
Parameter Standard
Variable DF Estimate Error t Value Pr > |t|
Intercept 1 323.50570 3.57789 90.42 <.0001
x1 1 0.00899 0.03580 0.25 0.8045
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X2 alone
Sum of Mean
Source DF Squares Square F Value Pr > F
Model 1 0.22300 0.22300 0.09 0.7676
Error 18 44.57700 2.47650
Corrected Total 19 44.80000
R-Square 0.0050
Parameter Standard
Variable DF Estimate Error t Value Pr > |t|
Intercept 1 322.23981 7.20735 44.71 <.0001
x2 1 0.01083 0.03607 0.30 0.7676
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X1 & X2 together
Sum of Mean
Source DF Squares Square F Value Pr > F
Model 2 34.51681 17.25840 28.53 <.0001
Error 17 10.28319 0.60489
Corrected Total 19 44.80000
R-Square 0.7705
Parameter Standard
Variable DF Estimate Error t Value Pr > |t|
Intercept 1 52.49066 36.00210 1.46 0.1631
x1 1 0.90376 0.12003 7.53 <.0001
x2 1 0.91221 0.12103 7.54 <.0001