25.) Use the data in the Excel file Cost of Living Adjustments to find the best multiple regression model to predict the salary as a function of the adjusted cost of living rates. What would the comparable salary be for a city with the following adjustments: groceries: 4%; housing: 9%; utilities: 2%; transportation: 1%; and health care: 8%?

Cost of Living Adjustments City Comparative Salary Groceries Housing Utilities Transportation Healthcare Atlanta $60,482.00 15% 25% -10% 6% 5% Austin $57,530.00 -8% 13% -1% -1% 6% Boston $85,904.00 16% 141% 43% 11% 33% Charleston $60,904.00 18% 22% 11% -7% 10% Charlotte $58,012.00 11% 5% 2% -2% 6% Chicago $70,000.00 23% 73% 1% 18% 2% Columbus $54,578.00 1% -1% -5% -6% -1% Dallas $58,072.00 12% -4% -3% 1% 5% DC $87,892.00 20% 214% -6% 13% -3% Denver $65,843.00 7% 64% -8% 1% 11% Detroit $57,590.00 -2% 15% 0% 6% -1% Indianapolis $55,120.00 3% 4% -11% -6% 1% Los Angeles $83,795.00 16% 168% 10% 29% 13% Lousiville $55,602.00 1% 2% -13% 5% -8% Minneapolis $65,060.00 16% 43% -10% 10% 8% New Orleans $57,530.00 10% 24% -17% -5% 1% New York $136,024.00 37% 479% 26% 30% 19% Philadelphia $72,048.00 26% 72% 17% 10% 3% Phoenix $57,651.00 7% 21% -8% 2% 1% Pittsburgh $59,578.00 9% 21% -3% 14% -1% Portland $77,349.00 25% 108% -18% 19% 15% San Diego $86,446.00 18% 187% 18% 27% 15% San Francisco $105,241.00 38% 304% 3% 26% 22% Seattle $83,253.00 33% 133% 2% 21% 24% St. Louis $56,084.00 14% -9% 13% 1% 4% Source: CNN Money Cost of Living Calculator, December 2015