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Listed below are the lead concentrations in ug/g measured in different traditional medicines. Use a 0.10 significance level to test the claim that the mean
Listed below are the lead concentrations in ug/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 15 ug/g. Assume that the sample is a simple random sample. 5 12.5 4.5 4.5 17.5 20 2.5 8.5 18.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? O A. Ho: H = 15 pg/g O B. Ho: H = 15 pg/g H1: 1 # 15 ug/g H1: H 15 pig/g H1: p > 15 pg/g H1: p
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