Multiple Regression Analysis for a Special Decision $($Requires Computer Spreadsheet$)$

For billing purposes, assume Phoenix Family Medical Clinic classifies its services into one of four major procedures, X$1$ through X$4.$ A local business has proposed that Phoenix provide health services to its employees and their families at the following set rates per procedure:

X$1$ $$100$

X$2200$

X$360$

X$4300$