High Cholesterol: A group of eight individuals with high cholesterol levels were given a new drug that was designed to lower cholesterol levels. Cholesterol levels, in milligrams per deciliter, were measured before and after treatment for each individual, with the following results: Individual Before After 247 211 2. 281 217 3 260 190 4 276 214 240 156 6 280 214 293 195 8 274 181 Send data to Excel Part: 0/2 Part 1 of 2 (a) Construct an 80% confidence interval for the mean reduction in cholesterol level. Let d represent the cholesterol level before treatment minus the cholesterol level after. Use tables to find the critical value and round the answers to at least one decimal place. An 80% confidence interval for the mean reduction in cholesterol level is< H, <

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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High Cholesterol: A group of eight individuals with high cholesterol levels were given a new drug that was designed to lower
cholesterol levels. Cholesterol levels, in milligrams per deciliter, were measured before and after treatment for each individual,
with the following results:
Individual Before After
1
247
211
2
281
217
3.
260
190
4
276
214
5.
240
156
6
280
214
293
195
8
274
181
Send data to Excel
Part: 0/2
Part 1 of 2
(a) Construct an 80% confidence interval for the mean reduction in cholesterol level. Let d represent the cholesterol level
before treatment minus the cholesterol level after. Use tables to find the critical value and round the answers to at least one
decimal place.
An 80% confidence interval for the mean reduction in cholesterol level is
Transcribed Image Text:High Cholesterol: A group of eight individuals with high cholesterol levels were given a new drug that was designed to lower cholesterol levels. Cholesterol levels, in milligrams per deciliter, were measured before and after treatment for each individual, with the following results: Individual Before After 1 247 211 2 281 217 3. 260 190 4 276 214 5. 240 156 6 280 214 293 195 8 274 181 Send data to Excel Part: 0/2 Part 1 of 2 (a) Construct an 80% confidence interval for the mean reduction in cholesterol level. Let d represent the cholesterol level before treatment minus the cholesterol level after. Use tables to find the critical value and round the answers to at least one decimal place. An 80% confidence interval for the mean reduction in cholesterol level is
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