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 Befo then take the medicine for 10 weeks, and then has their LDL levels measured again (After). Subject Before After 1 143 130 158 140 174 188 4 166 166 5 166 131 6 157 118 7 132 95 8 136 124 9 129 121 10 159 134 Give a 97% confidence interval for uB - µAb the difference between LDL levels before and after taking the medication. Confidence Interval =

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
Section13.CR: Chapter 13 Review
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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
143
130
2
158
140
174
188
4
166
166
166
131
157
118
7
132
95
8
136
124
129
121
10
159
134
Give a 97% confidence interval for uB - µAl, 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 1 143 130 2 158 140 174 188 4 166 166 166 131 157 118 7 132 95 8 136 124 129 121 10 159 134 Give a 97% confidence interval for uB - µAl, the difference between LDL levels before and after taking the medication. Confidence Interval =
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