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In this topic we’re going to look at the basics of descriptive measures. I want you to know what they are, how to compute them (on your calculator and in a spreadsheet), and how they can be used to estimate a set of population parameters. And super importantly, I also want you to know how to come up with corresponding estimate of the uncertainty of the most common parameters using the so-called standard error. Most people can’t do the latter or they get confused in the process, so we’re going to dig deep and really make sense of it.


1. If you’re in my class, make sure you’re there for our discussion-based lectures.

2. Work your way through the lessons and self-assessments below.