13. Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 µg/g. Assume that the sample is a simple random sample. 16 14.5 21.5 22.5 11 3.5 3 22 22.5 3 a. Identify the null and alternative hypotheses. b. Identify the test statistic for this hypothesis test. c. Identify the P-value for this hypothesis test. d. State the final conclusion that addresses the original claim.

13. Listed below are the lead concentrations in µg/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 16 µg/g. Assume that the sample is a simple random sample. 16 14.5 21.5 22.5 11 3.5 3 22 22.5 3 a. Identify the null and alternative hypotheses. b. Identify the test statistic for this hypothesis test. c. Identify the P-value for this hypothesis test. d. State the final conclusion that addresses the original claim.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section: Chapter Questions

Problem 8CR

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