Dispersion: Range, Interquartile Range, & Semi-Interquartile Range

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Note: For simplicity I calculated an exclusive interquartile range for this odd-numbered set of data, though IQR could also be calculated using an inclusive method, which I explain in this video: kzbin.info/www/bejne/p2q8pqOLfZhqhLM

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I'm glad to hear that my playlists are helping you, thanks for letting me know. You can find me on twitter @psychexamreview or you can email me at psychexamreview at gmail.com if you have questions. All the best in preparing for your exams!

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