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Name: Listed below are the lead concentrations in μg/g measured in differen
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Description: Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 14 μg/g. Assume that the sample is a

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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Listed below are the lead concentrations in μg/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 14 μg/g. Assume that the sample is a simple random sample.

7.5, 5.5, 5.5, 14, 11.5, 9, 3, 10.5, 7.5, 20.5

Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?

Determine the test statistic. (Round to two decimal places as needed.)

Determine the P-value. (Round to three decimal places as needed.)

State the final conclusion that addresses the original claim.

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