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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