We refer to the file "stroke.xlsx", In the same way, we have seen in the classes, use R to see if there a significant relation between a person being a smoker and the independent variables Risk and Age.

A A B D E F Risk 12 24 13 56 28 51 18 31 37 15 22 36 15 48 15 36 8 34 3 37 Age 57 67 58 86 59 76 56 78 80 78 71 70 67 77 60 82 66 80 62 59 Blood Pressure Smoker 152 0 163 0 155 0 177 1 196 0 0 189 1 155 1 120 0 0 135 1 98 0 152 0 173 1 135 1 209 1 199 0 119 1 166 0 125 1 117 0 207 1 2 5 5 7 3