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Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the world. When released as an industrial by-product, it often finds its way into aquatic systems where it can have deleterious effects on various avian and aquatic species. The accompanying data on blood mercury concentration (pg/g) for adult females near contaminated rivers in a state was read from a graph in an article. 0.20 0.23 0.24 0.300.350.41 0.54 0.57 1.43 1.70 1.84 2.20 2.26 3.08 3.24

Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the world. When released as an industrial by-product, it often finds its way into aquatic systems where it can have deleterious effects on various avian and aquatic species. The accompanying data on blood mercury concentration (pg/g) for adult females near contaminated rivers in a state was read from a graph in an article. 0.20 0.23 0.24 0.300.350.41 0.54 0.57 1.43 1.70 1.84 2.20 2.26 3.08 3.24

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the world. When released as an industrial by-product, it often finds its way into aquatic systems where it can have deleterious effects on various avian and aquatic species. The accompanying data on blood mercury concentration (pg/g) for adult females near contaminated rivers in a state was read from a graph in an article. 0.20 0.23 0.24 0.30 0.35 0.41 0.54 0.57 1.43 1.70 1.84 2.20 2.26 3.08 3.24 USE SALT (a) Determine the values of the sample mean and sample median. - [Hint: x₁ = 18.59. (Round your answers to four decimal places.) x = X = Explain why they are different. O There is heavy negative skewness in the data. O They aren't different since the data is symmetric. O There are an odd number of data values. O There is heavy positive skewness in the data. O The sample mean and sample median are never equal. (b) Determine the value of the 10% trimmed mean. (Round your answer to four decimal places.) Compare to the mean and median. O It is below both the mean and median. O It is the same as the median. O It is between the values of the mean and median. O It is the same as the mean. O It is above both the mean and the median.
Transcribed Image Text:Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the world. When released as an industrial by-product, it often finds its way into aquatic systems where it can have deleterious effects on various avian and aquatic species. The accompanying data on blood mercury concentration (pg/g) for adult females near contaminated rivers in a state was read from a graph in an article. 0.20 0.23 0.24 0.30 0.35 0.41 0.54 0.57 1.43 1.70 1.84 2.20 2.26 3.08 3.24 USE SALT (a) Determine the values of the sample mean and sample median. - [Hint: x₁ = 18.59. (Round your answers to four decimal places.) x = X = Explain why they are different. O There is heavy negative skewness in the data. O They aren't different since the data is symmetric. O There are an odd number of data values. O There is heavy positive skewness in the data. O The sample mean and sample median are never equal. (b) Determine the value of the 10% trimmed mean. (Round your answer to four decimal places.) Compare to the mean and median. O It is below both the mean and median. O It is the same as the median. O It is between the values of the mean and median. O It is the same as the mean. O It is above both the mean and the median.
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