Use the all-possible-regressions selection on the patient satisfaction data in Table B.17. Perform a thorough analysis of the best candidate models. Compare your results with stepwise regression. Thoroughly discuss your recommendations.

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Satisfaction Age Severity Surgical-Medical Anxiety 8788928 68 55 50 0 2.1 77 46 24 1 2.8 96 30 46 1 3.3 80 35 48 1 4.5 35 43 59 58 2 44 61 60 5.1 26 74 65 5.5 38 42 3.2 152 75 27 42 3.1 57 51 50 2.4 56 53 38 2.2 41 30 2.1 37 31 1.9 102 24 34 3.1 42 30 3 70 50 48 4.2 82 58 61 4.6 43 71 5.3 46 62 7.2 56 59 26 52 83 75 OPPORT 38 7.8 41 7 66 1 6.2 31 1 4.1 39 42 0 3.5 49 40 1 2.1