In a study of factors affecting hypnotism, visual analogue scale (VAS) sensory ratings were obtained for16 subjects. For these sample ratings, the mean is 8.33 with a standard deviation of 2.06. At a =0.05level of significance test the claim that this sample comes from a population with a mean rating of lessthan 10.00.

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Answered: In a study of factors affecting…

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, 4949 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 0.40.4 and a standard deviation of 23.823.8. Use a 0.010.01 significance level to test the claim that with garlic treatment, the mean change in LDL cholesterol is greater than 00. 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. Determine the test statistic. nothing (Round to two decimal places as needed.)
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. In a study of factors affecting hypnotism, visual analogue scale (VAS) sensory ratings were obtained for 16 subjects. For thesesample ratings, the mean is 8.33 while the standard deviation is 1.96 (based on data from “An Analysis of Factors ThatContribute to the Efficacy of Hypnotic Analgesia,” by Price and Barber, Journal of Abnormal Psychology, Vol. 96, No. 1). At0.01 level of significance, test the claim that this sample comes from a population with a mean VAS rating of less than 10.00.a. Claim (in symbolic form): __________b. Ho:Ha:c. level of significance: test-statistic: _____ tail of distribution: ______d.Decision Rule: Reject Ho if ______________e. Computation

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