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Question 15 Keep using the data set for this question and the next 1 question: In the study of Schizophrenia, researchers measured the activity of the enzyme monoamine oxidase(MAO) in the blood platelets of 18 patients. The results (in moles) are as follow: 4.1 5.2 6.8 7.3 74 78 7.8 8.4 8.7 9.7 9.9 10.6 10.7 11.9 127 142 145 18.8 Construct a stem and leaf plot using the leaf unit as the tenth's digit with one leaf category per stem. How would you describe the shape of your stem and leaf plot? Right skewed O Left skewed O Symmetric O Inconclusive