A student researcher, Michel Larner, obtained the weight, height and various other physical measurements of 22 male subjects aged 16 to 30 years. Subjects were randomly chosen volunteers, all in reasonably good health. Michel collected measurements of mass (kg), height (cm) and circumferences (cm) of biceps, chest, waist, thigh, head, forearm, neck, shoulder and calf. Use these data to predict a (16- to 30-year-old) male?s mass from height and biceps size chest, waist and thigh. Comment on the regression model and its strengths and weaknesses.

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Mass Height Biceps (cm) (cm) Chest Waist Thigh (cm) Head Forearm Neck Shoulder Calf (cm) (cm) (cm) (cm) (cm) (kg) (cm) (cm) 178 33.5 100 85 53 58 28.5 38.5 114 37.5 77 85.5 187 36.5 107 90.5 52 59 29.5 39 119 40 80.5 63 175 31 94 49 57 25 36.5 102 33 104 60 39 80.5 183 34 91.5 50 28.5 114 38 79.5 174 36.5 107 92 53 59 28.5 39 114 40 30.5 26.5 112 57.5 94 180 38 101 59 39 121 39.5 66 177.5 182.5 29 93 76 50 58.5 35 105 108 38.5 69 31 95 84 49 60 27 37 36 112 103 65 178.5 29 93 74 47 55.5 26.5 35 34 58 168.5 31 96 76 46 58 26.5 35 39 35 69.5 109.5 170 37 80 50 58.5 28.5 118 38 73 180 33 102 86 49 59 27.5 38.5 113 36 101 74 186.5 36 82 49 60 29.5 38.5 115.5 38 68 188 30 98.5 82 49.5 57 25 37 108 37 80 173 36 103 95.5 52.5 58 29.5 40 117 37 32.5 104.5 66 171 89 81 48 56.5 26.5 35 38 35.5 54.5 169 181 30 92.5 76 42 57 24 102 32 64 28.5 87.5 84 42 58 25.5 35 109 35.5 40.5 84 188 34.5 99 88 50.5 56 30 119 39 73 173 34.5 97 82 49 58 28 37 104 38 35.5 58.5 89 179 106 96 51 29 39 118 39.5 94 184 33.5 106 99.5 55 57 31 39 120 42