In: Statistics and Probability
Nancy, Inc. has three stores located in three different areas. Random samples of the sales of the three stores (in $1000) are shown below. Please note the sample sizes are not equal.
| 
 Store 1  | 
 Store 2  | 
 Store 3  | 
| 
 46  | 
 34  | 
 33  | 
| 
 47  | 
 36  | 
 31  | 
| 
 45  | 
 35  | 
 35  | 
| 
 42  | 
 39  | 
|
| 
 45  |