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3.MyStatLab Homework 5 Problem 4 (continued)

After completing Problem 4 in MyStatLab Homework 5 (effectiveness of garlic for lowering cholesterol) and viewing the slides on the Four Step Process, apply the four steps (STATE, PLAN, SOLVE, CONCLUDE) as described below in word and show your work for that problem.

Score: 2 of2 pts 4 4 of5 (5 completetv b HW Score: 100%, 10 of 10 pts @ 8..315-T 25 Question Help In a test of the etlectiveness of galiic for lowering cholesterol, 64 subjects were treated wii rawI galiic. Cholesterol levels were measured before and after the treatment. The changes (before minus after) in their levels of LDL cholesterol (in mgldL) have a mean of0.6 and a standard deviation of 24.7. Use a 0.05 signicance 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 galiic treatment? Assume that a simple random sample has been selected. Identify the null and alternative hypotheses test statistic, Pevalue, and state the nal conclusion that addresses the original claim. What are the null and altemative hypothes? ".:.'- A. Ho: '1: I) ngdL B. Ho: p=U ngdL H1.p0 mgrdL H1:p>l)mgldL H1:p 60 seconds H1: p: 60 seconds Determine the test statistic, 2.25 (Round to two decimal ptaces as needed.) Determine the Pvalue. ,041 (Round to three decimal places as needed) State the nal conclusion that addresses the original claim. Reject HO- There is suicient evidence to conclude that the original claim that the mean ofthe population of estimates is 60 seconds not conecl. It. does not appear that, as a group. the students are reasonany good at estimating one minute