#16

16. (8 points) SHOW ALL YOUR WORK!!! Listed below are the lead concentrations in g/ g measured in differ- ent traditional medicines. Use a = 0.10 significance level to test the claim that the mean lead concentration for all such medicines is less than 17g/g. Assume that the sample is a simple random sample. 4.5, 5, 16.5, 17.5, 10.5, 22.5, 20.5, 14.5, 13, 4.5 a. Identify the null hypothesis, b. Identify Alternative hypothesis, and decide which type of test you will use, c. Find Test statistic, d. Solve with classical method then ,Should we reject Ho or should we fail to reject Ho? e. Solve with P-value method then, Should we reject Ho or should we fail to reject Ho