Ayurveda is a traditional medical system commonly used in India. Listed below are the lead concentrations (in °g/g) measured in different Ayurveda medicines (manufactured in the United States). (Data from “Lead, Mercury, and Arsenic in U.S. and Indian Manufactured Ayurvedic Medicines Sold via the Internet,” by Saper et al., Journal of the American Medical Association, Vol. 300, No.
8.) What do the decimal values of the listed amounts suggest about the precision of the measurements?

3.0    6.5    6.0    5.5    20.5    7.5    12.0    20.5    11.5    17.5

Mean, Median, and Mode. In Exercises, find the mean, median, and mode, and answer any additional questions.