In the American Heart Association journal Hypertension, researchers report that individuals who practiceTranscendental Meditation (TM) lower their blood pressure significantly. If a random sample of 228 male TMpractitioners meditate for 7.9 hours per week with a standard deviation of 2.25 hours, does that suggest that, onaverage, men who use TM meditate more than 7.5 hours per week? Quote a P-value in your conclusion.State the null and alternative hypotheses.Hot = 7.5H₁: > 7.5(Type integers or decimals. Do not round.)Find the test statistic.The test statistic is 2.68.(Round to two decimal places as needed.)Find the P-value.The P-value is 0.007(Round to three decimal places as needed.)xample TextbookClear allFinal check

According to the given information in this question We need to find the test statistic and p value,…

Answered: In the American Heart Association…

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, 36 subjects were treated with raw garlic Cholesterol levels were measured before and after the treatment. The changes (before minus after) in their levels of LDL cholesterol (in mg/dL) have a mean of 0.1 and a standard deviation of 23.2. Use a 0.01 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 effectiveness of the garlic treatment? Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? O A. Ho p=0 mg/dL O B. H, p=0mg/dL H, p0 mg/dL OC. Ho H>0 mg/dL O D. H, p=0 mg/dL. H, pz0 mg/dL. H, p<0 mg/dL
People who diet can expect to lose an average of 2 kg in a month. In a book, the authors claim that people who follow a new diet will lose an average of more than 2 kg in a month. The weight losses of the 18 people in a random sample who had followed the new diet for a month were noted. The sample mean was 2.1 kg and the standard deviation was 0.5 kg. Test the authors’ claim at the 5% significance level
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A clinical researcher performs a clinical trial on 20 patients to determine whether a drug treatment has an effect on serum glucose. The sample mean glucose of the patients before and after the treatment are summarized in the following table. The sample standard deviation of the differences was 10. Before TreatmentSample mean glucose (mg/dL): 117 After TreatmentSample mean glucose (mg/dL): 111 What type of hypothesis test should be performed?Unpaired t-testTwo-tailed z-testLeft-tailed z-testPaired t-test What is the test statistic? What is the number of degrees of freedom? Does sufficient evidence exist to support the claim that the voltage of the batteries made by the two manufacturers is different at the α = 0.01 significance level?YesNo
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A psychologist has developed a new test to measure depression. Using a very large group of "normal" individuals, the mean score on this test is found to be p=55 and a population standard of o=12. The scores form a normal distribution. A researcher would like to use this test to evaluate a theory predicting that increased depression is a common part of the aging process. To test the theory, a sample of n=36 elderly people is obtained. The depression test is administered to each person, and the mean score for the sample is 59. Testing the hypothesis using a one-tailed test at 0.05 level of significance, do these data support the theory? You can answer "Yes" or "No". Do the 4-step process to determine the answer. Answer:

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