The total expenses of a hospital are related to many factors. Two of these factors are the number of beds in the hospital and the number of admissions. Data were collected on 14 hospitals, as shown in the following table:

Find the best regression model to predict the total expenses of a hospital. Discuss the accuracy of this model. Should both variables be included in the model? Why or why not?

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HOSPITAL NUMBER OF BEDS ADMISSIONS (100s) TOTAL EXPENSES ($1,000,000s) 1 215 77 57 2 234 336 160 127 3 520 230 157 135 43 24 567890 35 9 14 210 = 155 93 140 53 45 6 6 410 159 99 10 50 18 12 11 65 16 11 12 42 13 110 28 22 29 15 21 14 305 98 63