It looks daunting, but really, much of the chapter is taken up by optional exercises and questions. You don't need to do more than a couple of these to make sure you have the ideas right. Mostly just read the main text parts that start each section Don't spend much time on how to calculate Location values like percentiles, quartiles etc by hand. Just enough to get the idea of what they are and how that method works. We'll be using Excel in this class for calculating these.

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