8. [2.09/25 Points] >

8. [2.09/2.5 Points] DETAILS PREVIOUS ANSWERS DEVORESTAT9 1.3.035.Ml.S. 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 1.43 0.21 1.70 0.24 1.84 0.30 2.20 0.33 2.26 0.41 3.06 0.54 3.26 0.57 IL! USE SALT Determine the values of the sample mean and sample median. 1.2367 0.57 Explain why they are different. O There is heavy negative skewness in the data. O They aren't different since the data is symmetric. There is heavy positive skewness in the data. O There are an odd number of data values. O The sample mean and sample median are never equal. Hint: 18.55 (Round your answers to four decimal places.) (b) Determine the value of the 10% trimmed mean. (Round your answer to four decimal places.) 1.0745 x Compare to the mean and median. O O O It is above both the mean and the median. It is the same as the mean. It is the same as the median. It is between the values of the mean and median.