An analysis of accident data was made to determine thedistribution of numbers of
ID: 2914294 • Letter: A
Question
An analysis of accident data was made to determine thedistribution of numbers of fatal accidents for drivers under 25.The data for 299 accidents are as follows: Fatal NotFatal Female 26 128 Male 43 102 Do the data indicate that the frequnecy of fatal accidents isdependent on sex? Use = 0.05. An analysis of accident data was made to determine thedistribution of numbers of fatal accidents for drivers under 25.The data for 299 accidents are as follows: Fatal NotFatal Female 26 128 Male 43 102 Do the data indicate that the frequnecy of fatal accidents isdependent on sex? Use = 0.05.Explanation / Answer
Fatal
Not fatal
Total
Female
26
128
154
Male
43
102
145
Total
69
230
299
Fatal
Not fatal
Female
35.5384615
118.461538
Male
33.4615385
111.538462
Oi
Ei
(Oi-Ei)^2
(Oi-Ei)^2/Ei
26
35.5384615
90.9822485
2.560107
43
33.4615385
90.9822485
2.71901
128
118.461538
90.9822485
0.768032
102
111.538462
90.9822485
0.815703
Total
6.862851
Fatal
Not fatal
Total
Female
26
128
154
Male
43
102
145
Total
69
230
299
Fatal
Not fatal
Female
35.5384615
118.461538
Male
33.4615385
111.538462
Oi
Ei
(Oi-Ei)^2
(Oi-Ei)^2/Ei
26
35.5384615
90.9822485
2.560107
43
33.4615385
90.9822485
2.71901
128
118.461538
90.9822485
0.768032
102
111.538462
90.9822485
0.815703
Total
6.862851