Use the Excel file to explore the data and answer the questions below.

1. What is the average time of sale for the POS not including gaps of over 10 minutes?
2. In the breakdown by cashier, Student AA has an average sale $.73 higher than Student MB. How would you explain this?
3. Who sells the largest amount of beverages on average? Who sells the least? Is the difference "significant"? What would the word "significant" mean in this case?
4. If looking at the data in the spreadsheet raises other questions, what other information would you like to see? Send me (George Reese) a message and tell me.