In: Statistics and Probability
marketing firm asked a random set of married and single men as to how much they were willing to spend for a vacation. At = .05, is a difference in the two amounts?
| 
 Married men  | 
 Single men  | 
|
| 
 Sample size  | 
 70  | 
 70  | 
| 
 Mean spending  | 
 420  | 
 445  | 
| 
 Sample variance  | 
 5000  | 
 6000  |