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(1 pt) To test the efficacy of a new cholesterol-lowering medication, 10 people are selected at random. Each has their LDL levels measured (shown below as Before), then take the medicine for 10 weeks, and then has their LDL levels measured again (After) Subject Before After 142 135 144 157 123 96 137 136 138 110 128 100 169 182 94 166 151 145 129 4 130 10 Give a 91.1% confidence interval for ??-HA , the difference between LDL levels before and after taking the medication. Confidence Interval =

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숙di 13-2 - 丨3: a +(1.ฉุ062.x17.383.3

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