To test the efficacy of a new cholesterol-lowering medication, 10 people are selected at random. Each has their LDL levels measured (shown belo- Before), then take the medicine for 10 weeks, and then has their LDL levels measured again (After). Subject 1 2 3 4 5 Before 188 110 184 133 171 131 After 202 77 176 97 151 92 185 170 149 128 6 7 183 8 159 9 168 10 120 Give a 91.6% confidence interval for #B-HA. the difference between LDL levels before and after taking the medication. Confidence Interval=

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