The histogram to the right represents the sepal widths (mm) of a sample of irises. 30- What is the class width? What are the approximate lower and upper class limits of the first class? 25 20 15 10 5- 1.5 20 25 30 3'5 4.0 Iris Sepal Width (mm) The class width is mm. (Simplify your answer.) For the first class, the approximate lower limit is (Round to one decimal place as needed.) mm and the approximate upper limit is mm. Frequency

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