In: Statistics and Probability
A scientist is conducting a statistical study on the relationship between the ages versus seat-belt usage. The result is illustrated as the following table.
| 
 18-29  | 
 30-49  | 
 50-64  | 
 65 and over  | 
 Total  | 
|
| 
 Wear Seat Belts  | 
 51  | 
 63  | 
 51  | 
 28  | 
|
| 
 Don’t Wear Seat Belts  | 
 14  | 
 7  | 
 4  | 
 12  | 
|
| 
 Total  | 
According to the above two-way contingency table, do we have enough evidence to conclude that ages is not related to seat-belt usage at 10% significance level?