In: Statistics and Probability
Do owners of SUVs put more mils on their vehicles in a week than do owners of cars? To answer this question, the following data was collected.
| 
 Miles driven per week  | 
|
| 
 SUV  | 
 Car  | 
| 
 900  | 
 1150  | 
| 
 540  | 
 175  | 
| 
 1200  | 
 355  | 
| 
 300  | 
 150  | 
| 
 850  | 
 600  | 
| 
 700  | 
 600  | 
| 
 350  | 
 300  | 
| 
 629  | 
 275  | 
| 
 280  | 
 285  | 
| 
 400  | 
 400  | 
| 
 420  | 
 350  | 
| 
 675  | 
 600  | 
| 
 249  | 
 700  | 
| 
 300  | 
 600  | 
| 
 400  | 
 400  | 
| 
 350  | 
|
| 
 250  | 
|
| 
 355  | 
|
| 
 1175  | 
|
| 
 300  | 
|
| 
 350  | 
|
| 
 500  | 
|
Using α = 0.01, do SUV owners drive more? (Show all six steps of hypothesis testing.)