University of mumbai vidyalankar institute of technology


Chi – square test for goodness of Fit



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Chi – square test for goodness of Fit

Where

And degree of freedom= n-1

(calculated)=8.4608

(critical)=14.067 (at 5% level of significance)

DF=n-1=7


Since, (calculated)<(critical) therefore, Do not reject H0

And Conclude that Occurrence of accidents is uniform throughout the hours of the day



Hypothesis no.2

  • H0: Type of accidents and the vehicle involved are independent of each other

  • H1: Type of accidents and the vehicle involved are not independent of each other

Share of Different Vehicles in total Road Accidents

Observed

 

2 Wheeler

Auto Rikshaw

Car

Buses

Trucks/ Tempos

Other motor vehicles

Other vehicles

Total

Person killed

15.7

4

17.5

10.3

28.7

13.8

10

100

Person injured

20.2

7.7

20.3

11.6

21.2

11.4

7.6

100

Total

35.9

11.7

37.8

21.9

49.9

25.2

17.6

200

Expected

 

2 Wheeler

Auto rikshaw

Car

Buses

Trucks/ Tempos

Other motor vehicles

Other vehicles

Total

Person killed

17.95

5.85

18.9

10.95

24.95

12.75

8.8

100

Person injured

17.95

5.85

18.9

10.95

24.95

12.75

8.8

100

Total

35.9

11.7

37.8

21.9

49.9

25.5

17.6

200




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