Sources of variation | Sum of squares | Degrees of freedom | The variance |
---|---|---|---|
Regression model |
|
k |
|
Due to the remaining | n–k–1 | ||
Total variable |
|
n–1 |
|
City | Before the construction of high-speed rail | After the construction of the high-speed rail | Growth probability% |
---|---|---|---|
A | 119.35 | 43.76 | 36.67 |
B | 121.36 | 62.00 | 51.08 |
C | 91.84 | 32.06 | 34.90 |
D | 117.79 | 45.79 | 38.20 |
City | Before the construction of high-speed rail | After the construction of the high-speed rail | Growth probability |
---|---|---|---|
A | 21.07 | 96.13 | 4.56 |
B | 25.98 | 112.63 | 4.34 |
C | 27.19 | 192.26 | 7.07 |
D | 24.00 | 168.33 | 7.01 |
Section | Before the construction of high-speed rail | After the construction of the high-speed rail |
---|---|---|
A—B | 2 h and 9 min | 45 points |
A—C | 1 h and 08 min | 41 points |
B—C | 2 h and 30 min | 1 h and 3 min |
A—D | 30 per minute | 14 points |