VARIABLES: a) "Exercise" = 0 stands for 'no' & 1 stands for 'yes' b) "Serum cholesterol" = provided in mg/dL c) "Weight" = provided in pounds d) “Smoking status" • 0 stands for 'does not smoke' • 1...

Using 0.05 level of significance and assuming that the data is normally distributed: • Tell whether there is a significant difference in the mean systolic pressure of respondents before and after the treatment.

Extracted text: VARIABLES: a) "Exercise" = 0 stands for 'no' & 1 stands for 'yes' b) "Serum cholesterol" = provided in mg/dL c) "Weight" = provided in pounds d) “Smoking status" • 0 stands for 'does not smoke' • 1 stands for 'smoke less than one pack per day' • 2 stands for 'smoke one or more than one pack per day' The given information below shows the result of health exam taken from 100 randomly selected individuals who undergoes treatment for their high blood. ID Number Weight Exercise Systolic Systolic Serum Pressure Pressure Cholesterol (Before the Treatment) (After the Treatment) 1 120 1 126 100 193 2 106 1 120 110 168 127 1 128 125 179 4 132 1 129 120 215 109 1 119 120 175 6. 143 1 136 115 188 7 123 1 131 100 220 8. 145 1 163 150 210 9. 118 1 132 130 176 10 143 1 138 120 206 11 196 148 150 199 12 187 115 100 220 13 199 1 149 125 253 14 156 1 142 130 214 15 142 156 140 184 16 162 135 130 218 17 160 156 120 200 18 215 153 120 215 19 170 122 100 242 20 234 142 150 238 ololol ololo