Use the Excel file to explore the data and answer the
- What is the average time of sale for the POS not including
gaps of over 10 minutes?
- In the breakdown by cashier, Student AA has an average sale
$.73 higher than Student MB. How would you explain this?
- 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?
- 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.