I'm having a hard time with this problem and I would need some help, please? Testing Hypotheses. In Exercises 13–24, assume that a simple random sample has beenselected and test the given claim. Unless specified by your instructor, use either the P-valuemethod or the critical value method for testing hypotheses. Identify the null and alternativehypotheses, test statistic, P-value (or range of P-values), or critical value(s), and state thefinal conclusion that addresses the original claim. 15. Garlic for Reducing Cholesterol In a test of the effectiveness of garlic for loweringcholesterol, 49 subjects were treated with raw garlic. Cholesterol levels were measured beforeand after the treatment. The changes (before minus after) in their levels of LDL cholesterol(in mg/dL) have a mean of 0.4 and a standard deviation of 21.0 (based on data from “Effectof Raw Garlic vs Commercial Garlic Supplements on Plasma Lipid Concentrationswith Moderate Hypercholesterolemia," by Gardner et al., Archives of Internal Medicine,Vol. 167, No. 4). Use a 0.05 significance level to test the claim that with garlic treatment, themean change in LDL cholesterol is greater than 0. What do the results suggest about the effec-tiveness of the garlic treatment?Adults

It is given that Mean change Md = 0.4 SD of change, Sd = 21.0 Sample size n = 49 Level of…

Answered: Vol. 167, No. 4). Use a 0.05…

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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A tortoise and hare are competing in a 400-meter race. The arrogant hare gives the tortoise a 220-meter head start. When the start gun is fired, the hare begins running at a constant speed of 3.5 meters per second and the tortoise begins crawling at constant speed of 1.5 meters per second. Take out a piece of paper and read the above problem context again. You will prepare your written work and solutions on your own paper and upload it and the end of this question. Complete the problem solving process by: i. reading and re-reading the problem to identify the quantities in the situation; ii. making a drawing to represent the relevant quantities in the situation; iii. and defining the variable t to represent the number of seconds since the start of the race. a. Define a function f to determine the distance of the tortoise from the finish line in terms of the number of seconds, t, since the start of the race. Preview Solve f(t) = 0 and describe what your solution represents. t = Preview…
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Vol. 167, No. 4). Use a 0.05 significance level to test the claim that with garlic treatment, the mean change in LDL cholesterol is greater than 0. What do the results suggest about the effec- tiveness of the garlic treatment?