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 1 172 140 2 123 111 3 112 90 4 145 116 5 111 92 200 167 7 112 96 8 167 133 197 178 10 121 129 Give a 91.1% confidence interval for uR - HA, the difference between LDL levels before and after taking the medication. Confidence Interval =

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Confidence Interval = 

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
1
172
140
2
123
111
3
112
90
4
145
116
5
111
92
200
167
7
112
96
8
167
133
197
178
10
121
129
Give a 91.1% confidence interval for uB - HA, the difference between LDL levels before and after taking the medication.
Confidence Interval =
Transcribed Image Text: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 1 172 140 2 123 111 3 112 90 4 145 116 5 111 92 200 167 7 112 96 8 167 133 197 178 10 121 129 Give a 91.1% confidence interval for uB - HA, the difference between LDL levels before and after taking the medication. Confidence Interval =
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