In statistics, how do you find the interquartile range?
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The following data represent the number of grams of fat in breakfast meals offered at McDonald’s 12, 23, 28, 2, 28, 33, 31, 11, 23, 40, 35, 1, 23, 33, 23, 16, 11, 8, 8, 17, 16, 15 Honestly, I don't want the answer. I just need to know how to go about getting to the answer. Like the formula or equation. I have read this section in my book 4 times and I am really confused.
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Answer:
Glad you don't want the answer. 1) Arrange the stats in numerical order. 2) Find the median. 3) Find the median of the top half and bottom half. 4) The groups you now have are "quartiles" 5) Find the interquartile range. You can do it!
Dorothy K. at Yahoo! Answers Visit the source
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