How do real estate agents decide on the asking price for a newly listed condominium? A computer database in a small community contains the listed selling price Y (in thou- sands of dollars), the amount of living area x (in hundreds of square metres), and the numbers of floors x2, bedrooms x3, and bathrooms x4, for n = 15 randomly selected condos currently on the market. The data are shown in Table 13.1.

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Data on 15 Condominiums Observation List Price, y Living Area, x Floors, X Bedrooms, X3 Baths, X4 1 69.0 0.56 1 11 234567BGD 345 118.5 0.93 116.5 0.93 1 125.0 1.02 1 129.9 1.21 1 135.0 1.21 2 139.9 1.21 1 8 147.9 1.58 2 9 160.0 1.77 2 10 169.9 1.67 1 134.9 1.21 12 155.0 1.67 13 169.9 1.58 14 194.5 1.86 15 209.9 1.95 11222 22222333 223333333344444 1221 1.7 2.5 2