A firm wishes to know whether they can conclude that, for adults in a certain city, the make of car driven is associated with the driver's area of residence. A random sample of 500 adult drivers is in interviewed to determine what make of car they drive and in what area of the city they live. Let alpha = .05
|
Make of Auto --> |
A |
B |
C |
Total |
| Area of Residence |
|
|
|
|
|
1
|
|
52
|
64 |
24 |
140 |
| 2 |
|
60
|
59 |
52 |
171 |
| 3 |
|
50 |
65 |
74 |
189 |
| TOTAL |
|
162 |
188 |
150 |
500 |
QUESTION
1) Is the χ2 value significant at 5% level of significant ?
2) Write the conclusion for this question