1. Should the bank consider phasing out current accounts? What other possibilities are there for improving this product line?
2. Examine the customer profitability database. Construct a graph to communicate the profitability of the 2,205 customers in the Weighted Sample sheet, ranked from best to worst.
3. What are the conclusions from the customer profitability pilot study? What are the major sources of variation in customer profitability?
4. Given the customer-profitability analysis, does the "supermarket' strategy make sense?
5. Overall, what are your recommendations for Infinity Bank's managers? How should the customer-profitability information be used to improve performance (give explicit examples)? What should be done about unprofitable customer?