By looking on the example in the attached picture, do some research on your own of real-life business examples. Find one or two examples of how data analytics and regression analysis have been used for cost reduction or cost estimation.

PREDICTING HOSPITAL STAFFING LEVELS Health care spending accounts for a large portion of the U.S. economy. There are growing pressures to control costs in general, and hospitals are also facing the added pressure of reduced reimbursement. Analyzing the relationships between patient levels and staffing levels offers a cost-savings opportunity. University Hospitals, a Cleveland-based health system with 14 medical centers, used data analysis to cut $135 million in labor costs over a two-year period. Starting with a core staff, the hospital used business analytics to determine staffing needs and drew from a part-time staffing pool as needs fluctuated