MATH 1342 Name Lab 12 - Ch.10 - Hypothesis Testing Critical Thinking; Communication Skills; Empirical/Quantitative Skills 2. A machine is designed to fill jars with 16 ounces of coffee. A quality control inspector suspects that the machine is not filling the jar with the full 16 ounces. A sample of 20 jars has a mean of 15.8 ounces and a standard deviation of 0.32 ounce. Is there enough evidence to support the inspector's claim that the mean number of ounces of coffee in the jars is less than 16? Use a = .05. 1. H. and H, 2. a 3. Critical value(s) 4 . Graph 5. Test Statistic 6. P-value 7. Reject H. or Do Not Reject H. 8. Conclusion