Data-Road_safety (1) (1)

8/3/2019 Data-Road_safety (1) (1)

http://slidepdf.com/reader/full/data-roadsafety-1-1 1/28

SUMMARY OUTPUT

Regression Statistics

Multiple R 0,998368299

R Square 0,996739261

Adjusted R Square 0,995807621

Standard Error 1,35015126Observations 28

ANOVA

df SS MS F

Regression 6 11701,71892 1950,286487 1069,876282

Residual 21 38,28107692 1,822908425

Total 27 11740

Coefficients Standard Error t Stat P-value

Intercept -59,06608 11,28404066 -5,234479526 3,45E-05NOF -0,00696 0,046189919 -0,150683502 0,881663

NPVB 0,0419884 0,005270525 7,966650987 8,81E-08

NLIY 0,0027157 0,00099941 2,71732621 0,012904

NOV 0,0014695 0,000265212 5,540878153 1,69E-05

TPI -0,00274 0,001335706 -2,051349726 0,052914

PSLC -0,268203 0,068417644 -3,920091856 0,000786



Significance F

5,54379E-25

Lower 95% Upper 95% Lower 95.0% Upper 95.0%

-82,532527 -35,59963 -82,532527 -35,59963263-0,1030173 0,0890971 -0,103017254 0,089097136

0,03102777 0,0529491 0,031027774 0,052949085

0,00063734 0,0047941 0,000637336 0,004794109

0,00091797 0,002021 0,000917969 0,002021046

-0,0055178 3,775E-05 -0,005517751 3,77525E-05

-0,4104857 -0,125921 -0,41048573 -0,12592117

yj = -59.066-0.006 NOFj + 0.04NPVBj +.0027NLIYj +0.001469NOVj -0.002739



PIj-0.2682PSLCj+ej, j = 1, …, 28.



NFA NOF NPVB NLIY NOV TPI PSLC

NFA 1

NOF 0,973468 1

NPVB 0,984421 0,977702 1

NLIY 0,980014 0,959515 0,972275 1

NOV 0,981347 0,94778 0,9499 0,960677 1

TPI 0,933183 0,890515 0,924417 0,930949 0,955993 1PSLC 0,897185 0,925036 0,947553 0,914138 0,863379 0,87441 1



SUMMARY OUTPUT



R Square 0,947639341



ANOVA

df SS MS F Significance F

Regression 1 11125,28586 11125,28586 470,5560113 3,53322E-18

Residual 26 614,7141371 23,64285143

Total 27 11740

Coefficients Standard Error t Stat P-value Lower 95%

Intercept -71,79921396 5,462210411 -13,14471772 5,42148E-13 -83,02694826

NOF 0,600069356 0,027662778 21,69230304 3,53322E-18 0,543207702



Upper 95% Lower 95.0% Upper 95.0%

-60,57147966 -83,02694826 -60,57147966

0,65693101 0,543207702 0,65693101



SUMMARY OUTPUT


Multiple R 0,984421

R Square 0,969086

Adjusted R 0,967897

Standard E 3,736181Observatio 28

ANOVA

df SS MS F ignificance F

Regression 1 11377,06 11377,06 815,0315 3,7E-21

Residual 26 362,9353 13,95905

Total 27 11740

Coefficientsandard Err t Stat P-value Lower 95% Upper 95% ower 95.0 pper 95.0

Intercept -10,2972 2,06162 -4,99474 3,41E-05 -14,535 -6,05953 -14,535 -6,05953

NPVB 0,059209 0,002074 28,54876 3,7E-21 0,054946 0,063472 0,054946 0,063472





SUMMARY OUTPUT


Multiple R 0,980014

R Square 0,960428

Adjusted R 0,958906


ANOVA


Regression 1 11275,43 11275,43 631,031 9,21E-20

Residual 26 464,5747 17,86826

Total 27 11740


Intercept -194,629 9,572642 -20,3318 1,74E-17 -214,306 -174,952 -214,306 -174,952

NLIY 0,015717 0,000626 25,12033 9,21E-20 0,014431 0,017003 0,014431 0,017003





SUMMARY OUTPUT


Multiple R 0,981347

R Square 0,963042

Adjusted R 0,96162


ANOVA


Regression 1 11306,11 11306,11 677,4995 3,79E-20

Residual 26 433,888 16,688

Total 27 11740


Intercept -56,3661 3,970164 -14,1974 9,27E-14 -64,5269 -48,2053 -64,5269 -48,2053

NOV 0,003338 0,000128 26,02882 3,79E-20 0,003074 0,003601 0,003074 0,003601





SUMMARY OUTPUT


Multiple R 0,933183

R Square 0,870831

Adjusted R 0,865863


ANOVA


Regression 1 10223,56 10223,56 175,287 4,6E-13

Residual 26 1516,442 58,32468

Total 27 11740


Intercept 1,299324 3,6025 0,360673 0,721258 -6,10572 8,70437 -6,10572 8,70437

TPI 0,022733 0,001717 13,2396 4,6E-13 0,019203 0,026262 0,019203 0,026262





SUMMARY OUTPUT


Multiple R 0,897185

R Square 0,80494



ANOVA


Regression 1 9450 9450 107,2926 1,01E-10

Residual 26 2290 88,07692

Total 27 11740

Coefficientsandard Err t Stat P-value Lower 95% Upper 95% ower 95.0

Intercept -26,25 7,103572 -3,69532 0,001029 -40,8516 -11,6484 -40,8516

PSLC 1,3125 0,126711 10,35821 1,01E-10 1,052042 1,572958 1,052042



pper 95.0%

-11,6484

1,572958



SUMMARY OUTPUT



R Square 0,991673828

Adjusted R 0,990633057


ANOVA


Regression 3 11642,25074 3 880,75 952,8257 4,46E-25

Residual 24 97,74925505 4,072886

Total 27 11740

Coefficients Standard Error t Stat P-value Lower 95% Upper 95% ower 95.0

Intercept -56,33173833 16,12034819 -3,49445 0,001868 -89,6025 -23,061 -89,6025

NPVB 0,027345142 0,004940386 5,535021 1,08E-05 0,017149 0,037542 0,017149

NLIY 0,002101321 0,001482827 1,417105 0,169304 -0,00096 0,005162 -0,00096

NOV 0,00144077 0,000235276 6,123737 2,52E-06 0,000955 0,001926 0,000955



pper 95.0%

-23,061

0,037542

0,005162

0,001926



SUMMARY OUTPUT



R Square 0,995866903



ANOVA


Regression 4 11691,48 2922,869 1385,459 4,81E-27

Residual 23 48,52256 2,109676

Total 27 11740

Coefficients andard Err t Stat P-value Lower 95% Upper 95% ower 95.0

Intercept -52,75567453 11,62555 -4,53791 0,000147 -76,805 -28,7064 -76,805NPVB 0,043196888 0,004839 8,927679 6,21E-09 0,033188 0,053206 0,033188

NLIY 0,002690517 0,001074 2,504785 0,019784 0,000468 0,004913 0,000468

NOV 0,001113118 0,000182 6,102263 3,18E-06 0,000736 0,00149 0,000736

PSLC -0,320764309 0,066404 -4,8305 7,11E-05 -0,45813 -0,1834 -0,45813



Sales= -52.755+ 0.0431 NPVB+0.00269NLIY+0.0011NOV-0.320PSLC

pper 95.0%

-28,70640,053206

0,004913

0,00149

-0,1834



year quarter no. of fatal accidents no. of officials in the field No. of people visiting bar

NFA NOF NPVB

2002 1 20 160 500

2 22 160 500

3 24 160 600

4 26 160 600

2003 1 26 160 600

2 28 160 650

3 28 160 600

4 32 160 650

2004 1 30 170 650

2 34 175 700

3 34 175 700

4 32 175 700

2005 1 36 180 9002 38 180 900

3 38 185 900

4 40 190 900

2006 1 44 200 1000

2 46 210 1000

3 48 200 1000

4 50 210 1000

2007 1 58 220 1200

2 60 220 1200

3 62 230 1200

4 68 230 1200

2008 1 72 250 1500

2 78 250 1500

3 84 260 1500

4 102 260 1800

correlation 0,973467689 0,984421446



No. of liscences issued to the young no. of vehicles Prescribed speed limit in the city

NLIY NOV PSLC

13000 25000 40

14000 25500 40

14200 25600 40

14250 25700 40

13600 25750 40

14000 25800 40

14200 25900 40

14250 26000 40

14500 26500 40

14600 26700 40

14600 26800 40

14500 26850 40

15000 26900 6015100 27000 60

15000 27500 60

15200 27900 60

15300 29950 60

15500 30000 60

15600 30500 60

15500 31000 60

15800 32000 60

16000 33000 60

16100 35000 60

16500 36500 60

16600 38000 80

17500 40000 80

18000 45000 80

18500 48000 80

0,98001431 0,981346987 0,897185



Traffic police investments (in thousands)

TPI

1000

1100

1300

1300

1326

1410

1420

1450

1460

1490

1510

1610

16501700

1750

1760

1790

1800

1800

1800

2000

2000

2000

2000

3400

3600

4000

4400

0,933183367



Coefficients Standard Error t Stat

Intercep -59,06608 11,28404066 -5,23448

NOF -0,00696 0,046189919 -0,150684

NPVB 0,0419884 0,005270525 7,966651

NLIY 0,0027157 0,00099941 2,7173262

NOV 0,0014695 0,000265212 5,5408782

TPI -0,00274 0,001335706 -2,05135

PSLC -0,268203 0,068417644 -3,920092

yj = -59.066-0.006 NOFj + 0.0

0.26



NPVBj +.0027NLIYj +0.001469NOVj -0.002739TPIj-

82PSLCj+ej, j = 1, …, 28.



NOF NPVB NLIY NOV TPI PSLC


Multiple R 0,973467689 0,984421446 0,98001431 0,981347 0,9331834 0,8971847

R Square 0,947639341 0,969085582 0,96042805 0,9630419 0,8708312 0,8049404

Adjusted R Square 0,945625469 0,967896566 0,95890605 0,9616204 0,8658632 0,7974381

Standard Error 4,862391534 3,736181014 4,22708628 4,0850948 7,6370598 9,3849306

Observations 28 28 28 28 28 28

SUMMARY OUTPUT

C+D+E C+D+E+G Sales= -52.755+ 0.0


Multiple R 0,995828212 0,997931312

R Square 0,991673828 0,995866903



Adjusted R Square 0,990633057 0,995148104

Standard Error 2,01813915 1,452472494

Observations 28 28



31* NPVB+0.00269*NLIY+0.0011*NOV-0.320*PSLC

Documents

Data-Road_safety (1) (1)