We are testing whether a particular program of low impact exercise can improve the cholesterol level of stroke patients. We enroll a group of stroke patients in our study, and after six weeks we measure their serum cholesterol level in mmol/L, resulting in the following data: 6.19.36.3495.56.34.24.77.84.37.59.14.26.98.15.69.48.38.87.25.76.53.83.899.44.5874.59.46.64.16.69.13.95.3(a) Construct a 95% confidence interval._______< u < ______From an existing study, we know that the average cholesterol level of all stroke patients is 7 mmol/L. We want to know if the level in our patients is significantly different from this.(b) What is our Test statistic? ______(c) What is the two-tailed p-value of this result?______

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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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We are testing whether a particular program of low impact exercise can improve the cholesterol level of stroke patients. We enroll a group of stroke patients in our study, and after six weeks we measure their serum cholesterol level in mmol/L, resulting in the following data:

6.1	9.3	6.3	4	9	5.5	6.3
4.2	4.7	7.8	4.3	7.5	9.1	4.2
6.9	8.1	5.6	9.4	8.3	8.8	7.2
5.7	6.5	3.8	3.8	9	9.4	4.5
8	7	4.5	9.4	6.6	4.1	6.6
9.1	3.9	5.3

(a) Construct a 95% confidence interval.

_______< u < ______

From an existing study, we know that the average cholesterol level of all stroke patients is 7 mmol/L. We want to know if the level in our patients is significantly different from this.

(b) What is our Test statistic? ______

______

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