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Name: In a test of the effectiveness of garlic for lowering cholesterol, 25
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Description: In a test of the effectiveness of garlic for lowering cholesterol, 25 patients were treated with raw garlic. The changes in their levels of LDL cholesterol (in mg/dL) had a mean of 0.4 and a standard deviation of 21.0. a. Find the 98% confidence inte

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a test of the effectiveness of garlic for lowering cholesterol, 25 patients were treated with raw garlic. The changes in their levels of LDL cholesterol (in mg/dL) had a mean of 0.4 and a standard deviation of 21.0.

a. Find the 98% confidence interval estimate of the population standard deviation.

b. Does the results indicate whether the treatment is effective? Explain the answer.

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