To test the efficacy of a new cholesterol-lowering medilcation, 10 people are selected at random. Each has their LDL levels measurad (shown below as Before), then take the medicine tor 10 weeks, and then has their LDL levels measured again (After). Subject Before After 159 134 2 134 132 3 132 96 138 122 200 214 148 128 168 173 133 108 135 140 10 122 134 Give a 92.7% confidence Interval for jag-HA the difference between LDL. levels before and after taking the medication Confidence Interval

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