In Exercises 5-20, find the (a) mean , (b) median , (c) mode , and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions . 13. Load in Medicine Listed below are the lead concentrations (in μ g/g) measured in different Ayurveda medicines. Ayurveda is a traditional medical system commonly used in India. The lead concentrations listed here are from medicines manufactured in the United States. The data are based on the article “Lead, Mercury, and Arsenic in US 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 results suggest about the safety of these medicines? 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
In Exercises 5-20, find the (a) mean , (b) median , (c) mode , and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions . 13. Load in Medicine Listed below are the lead concentrations (in μ g/g) measured in different Ayurveda medicines. Ayurveda is a traditional medical system commonly used in India. The lead concentrations listed here are from medicines manufactured in the United States. The data are based on the article “Lead, Mercury, and Arsenic in US 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 results suggest about the safety of these medicines? 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
Solution Summary: The author explains that the mean for the lead concentrations measured in different Ayurveda medicines is 11.05 g/g. The median is the average of two middle values.
In Exercises 5-20, find the (a) mean, (b) median, (c) mode, and (d) midrange for the given sample data. Express answers with the appropriate units of measurement. Then answer the given questions.
13. Load in Medicine Listed below are the lead concentrations (in μg/g) measured in different Ayurveda medicines. Ayurveda is a traditional medical system commonly used in India. The lead concentrations listed here are from medicines manufactured in the United States. The data are based on the article “Lead, Mercury, and Arsenic in US 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 results suggest about the safety of these medicines? 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
Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.
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