The proprietor of the Brooke Road 7-11 store was dismayed to learn of the shop's dismal financial performance the previous year. She knew that an employee had been caught stealing from the shop and had admitted taking $500 from the till over a period of about 4 months. The poor financial performance of the store could be explained if the actual amount stolen had been much larger than $500. The proprietor assembled weekly sales records in the hope of estimating the full impact and magnitude of the thefts. (A Microsoft Excel data file is available for use with this case, product 7A99E009.)
