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 16 pg/g Assume that the sample is a simple random sample. 10 3.5 8 6.5 15.5 12 9 11 20 15.5 Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho H=16 ug/g B. Ho = 16 ug/g H u< 16 ug/g H, ut 16 ug/g OC. Ho =16 ug/g H p> 16 ug/g O D. Ho u> 16 ug/g H, p< 16 ug/g Determine the test statistic. ure (Round to two decimal places as needed.)

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