Assignment:
The following contingency table describes types of collisions versus driving environments for a random sample of two-vehicle accidents that occurred in a given region last year. At the 0.01 level of significance, can we conclude that the type of collision is independent of whether the accident took place in a rural versus an urban setting?
Type of Collision
|
|
|
Angle
|
Rear-end
|
Other
|
|
|
Driving
|
Urban
|
40
|
30
|
72
|
142
|
|
Environment
|
Rural
|
6
|
12
|
15
|
33
|
|
|
|
46
|
42
|
87
|
175
|
Provide complete and step by step solution for the question and show calculations and use formulas.