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 1 253 202 2 237 213 3 282 184 4 276 205 5 246 179 6 258 209 7 293 181 8 276 187 Send data to Excel Part: 0 / 2 Part 1 of 2 skelestaral laual. Lot & ranrarant the cholesterol level before treatment minus the Part 1 of 2 (a) Construct a 99% confidence interval for the mean reduction in cholesterol level. Let d represent the cholesterol level before treatment minus the cholesterol level after. Use the TI-84 calculator and round the answers to at least one decimal place. A 99% confidence interval for the mean reduction in cholesterol level is <<0. X 3 Part: 1/2 Part 2 of 2 (b) A physician claims that the mean reduction in cholesterol level is more than 80 milligrams per deciliter. Does the confidence interval contradict this claim? the claim that the Because the confidence interval (Choose one) $ values greater than 80, it (Choose one) mean reduction in cholesterol level is more than 80 milligrams per deciliter.

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