CHAPTER 5. THE IMPACT OF RHS ON LOCAL PEOPLE AND DYNAMIC MOVEMENTS OF RIDE‐
5.3. Dynamic characteristic of RHS car
5.3.1. The fluctuation of the price over time
Based on the data of price which were collected before in each zone, diagrams which show the fluctuation of the price over time in each zone are exported below
Zone 1
Figure 8. The fluctuation of the price on weekdays in zone 1
Figure 9. The fluctuation of the price on Saturday in zone 1
- 10 20 30 40 50 60 70
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the prcice on weekdays
Monday Wednesday Friday
- 10 20 30 40 50 60 70 80 90 100
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the price on Saturday
Figure 10. The fluctuation of the price on Sunday in zone 1
Diagrams show that there is not the great fluctuation in the price on weekdays in zone 1. The fluctuation of price from 21h to 23h10 on Saturday and from 7h to 14h on Sunday are significant. The independent-samples T test is used to verify the fluctuation of price in these periods of time.
On Saturday, the period from 21h to 23h10 will be divided into 2 part including (21h-22h) and (22h-23h10). First part, the period from 21h to 22h will be compared with the period from 19h to 21h. The second, the period from 22h to 23h10 will be compared with the period from 23h10 to 24h. The result are shown below
Table 5. The fluctuation of price between 2 time group (21h-22h) and (6h-21h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 21h-22h 13 42.8462 7.64685 2.12086
- 10 20 30 40 50 60 70 80
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the price on Sunday
6h-21h 181 36.2928 1.91990 .14270
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 85.528 .000 8.559 192
Equal variances not
assumed 3.083 12.109
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed .000 6.55334 .76566 5.04316
Equal variances not
assumed .009 6.55334 2.12565 1.92656
Base on the table is shown above, there is the significant fluctuation in the price at the period from 21h to 22h on Saturday (Std= 7.65) as well as the significant difference of mean between 2 time groups (Sig.= 0.009 <0.05). The price of trip at the period from 21h-22h is more expensive than the real price about 6.000 VND.
Table 6. The fluctuation of price between 2 time group (22h-23h10) and (23h10- 24h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 22h-23h10 14 67.7857 14.80737 3.95744
23h10-24h 10 57.0000 .00000 .00000
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 15.390 .001 2.289 22
Equal variances not
assumed 2.725 13.000
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower VAR00001 Equal variances
assumed .032 10.78571 4.71281 1.01195
Equal variances not
assumed .017 10.78571 3.95744 2.23619
There is the great fluctuation in the price at the period from 22h to 23h10 (Std= 14.81) on Saturday as well as the significant difference of mean between 2 time groups (Sig.= 0.017 <0.05). The price of trip at the period from 22h-23h10 is more expensive than the real price about 10.000 VND.
On Sunday, the period from 7h to 14h will be compared with the period from 14h to 22h. The result are shown below
Table 7. The fluctuation of price between 2 time group (7h-14h) and (14h-22h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 1.00 85 38.1647 6.71503 .72835
2.00 97 37.3196 3.00536 .30515
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 21.826 .000 1.119 180
Equal variances not
assumed 1.070 113.030
Independent Samples Test
t-test for Equality of Means
Sig. (2- tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed .265 .84512 .75553 -.64572
Equal variances not
assumed . 287 .84512 .78969 -.71939
On Sunday, the fluctuation of the price happens all day. However, the price in the period from 7h to 14h is fluctuated more greatly than the price in the period from 14h to 22h (Std 6.71 > 3.01). However, the difference in mean between 2 time groups is not significant (Sig.= 0.287 >0.05).
Zone 2
Figure 11. The fluctuation of the price on Monday and Wednesday in zone 2
0 20 40 60 80 100 120 140
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the price on Monday and Wednesday
Monday Wednesday
Figure 12. The fluctuation of the price on Friday in zone 2
Figure 13. The fluctuation of the price on Saturday in zone 2
0 20 40 60 80 100 120 140
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the price on Friday
0 20 40 60 80 100 120
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of price on Saturday
Figure 14. The fluctuation of the price on Sunday in zone 2
Diagrams show that there is a great fluctuation in the price at the morning peak-hour (6h-9h), the night off the peak-hour (19h-22h) on Saturday, and the evening peak-hour (15h30-19h) on Sunday in zone 2. The fluctuation of the price at the morning peak-hour happens all the day of the week (except Saturday).
Table 8. The fluctuation of price in zone 2
The period
of time Day The average of price Standard deviation 6h-9h
Monday 54.81 19.24
Wednesday 63.16 27.79
Friday 63.11 24.49
Sunday 60.19 22.23
19h-22h Saturday 57.46 23.77
15h30-19h Sunday 49.30 16.89
There is a significant fluctuation in the price from 16h30 to 19h30 on Friday, and from 18h to 19h as well as from 22h to 22h30 on Saturday. On Sunday, the great fluctuation of the price happens from 21h to 22h10.
0 20 40 60 80 100 120
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
The fluctuation of the price on Sunday
The independent-samples T test is used to verify the fluctuation of price over time. On Friday, the period from 16h30 to 19h30 will be compared with the period from 15h30 to 16h30. The result are shown below
Table 9. The fluctuation of price between 2 time group (16h30-19h30) and (15h30- 16h30)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 15h30-16h30 13 43.6154 .65044 .18040
16h30-19h30 36 46.7500 6.20311 1.03385
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 6.852 .012 -1.806 47
Equal variances not
assumed -2.987 37.064
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed .077 -3.13462 1.73535 -6.62569
Equal variances not
assumed .005 -3.13462 1.04947 -5.26093
There is the significant fluctuation in the price at the period from 16h30 to 19h30 (Std= 6.20) on Friday, as well as the significant difference of mean between 2 time groups (Sig.= 0.005 <0.05).
On Saturday, the period from 18h to 19h will be compared with the period from 15h30 to 18h. Next, the period from 22h to 22h30 will be compared with the period from 22h30 to 24h. The result are shown below
Table 10. The fluctuation of price between 2 time group (18h-19h) and (15h30- 18h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 18h-19h 13 48.0769 7.02924 1.94956
15h30-18h 31 43.2258 .99028 .17786
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 47.570 .000 3.814 42
Equal variances not
assumed 2.478 12.200
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed .000 4.85112 1.27193 2.28425
Equal variances not
assumed .029 4.85112 1.95766 .59350
There is the significant fluctuation in the price at the period from 18h to 19h (Std= 7.03) on Saturday, as well as the significant difference of mean between 2 time groups (Sig.= 0.029 <0.05).
Table 11. The fluctuation of price between 2 time group (22h-22h30) and (22h30- 24h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 22h-22h30 7 84.5714 21.61679 8.17038
22h30-24h 19 59.8947 3.90007 .89474
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 51.596 .000 4.929 24
Equal variances not
assumed 3.002 6.144
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed .000 24.67669 5.00673 14.34330
Equal variances not
assumed .023 24.67669 8.21922 4.67905
There is the great fluctuation in the price at the period from 22h to 22h30 (Std= 21.62) on Saturday, as well as the significant difference of mean between 2 time groups (Sig.= 0.23 >0.05).
On Sunday, the period from 21h to 22h10 will be compared with the period from 19h10 to 21h. The result are shown below
Table 12. The fluctuation of price between 2 time group (21h-22h10) and (19h10- 21h)
Group Statistics
VAR00002 N Mean Std. Deviation Std. Error Mean
VAR00001 21h-22h10 15 58.7333 21.72381 5.60906
19h10-21h 23 39.6957 .92612 .19311
Independent Samples Test
Levene's Test for Equality of Variances
t-test for Equality of Means
F Sig. t df
VAR00001
Equal variances
assumed 24.458 .000 4.228 36
Equal variances not
assumed 3.392 14.033
Independent Samples Test
t-test for Equality of Means Sig. (2-
tailed)
Mean Difference
Std. Error Difference
95%
Confidence Interval of
the Difference
Lower
VAR00001
Equal variances
assumed . 000 19.03768 4.50246 9.90626
Equal variances not
assumed .004 19.03768 5.61239 7.00298
There is the great fluctuation in the price at the period from 21h00 to 22h10 (Std= 21.72) on Sunday, as well as the significant difference of mean between 2 time groups (Sig.= 0.004 <0.05).
Zone 3
Figure 15. The fluctuation of the price in zone 3
Diagram shows that, in zone 3, the price does not change too abruptly over time in the day.
Table 13. The fluctuation of price in zone 3
The period of
time
The average of price Standard deviation
Mo We Fr Sa Su Mo We Fr Sa Su
0h-6h 59.92 61.66 61.22 60.00 60.40 2.16 0.48 2.45 0.00 2.35 6h-22h 40.66 40.34 39.38 41.01 39.53 1.68 1.75 1.89 1.97 1.51 22h-24h 60.52 59.84 58.04 60.04 58.52 0.51 4.41 1.02 1.02 0.51
0 20 40 60
0 120 240 360 480 600 720 840 960 1080 1200 1320 1440
The price (VND)
Time (minutes)
Monday Wednesday Friday Saturday Sunday