Course: Essential Mathematics for Data Analysis in Microsoft Excel

Lesson 3: Proportions In this lesson, we’ll look at the basics of using proportions and percentages to summarize different aspects of data with two or more variables. We’ll also add …

Lesson 2: SD vs. IQR There are a couple different ways to measure the variation or “spread” in a data set: the standard deviation (which we also touched on in …

Lab: Sigma Notation Sigma notation is the basic building block for creating a lot of different analytics formulas. In this lab, we’ll practice using our new favorite Greek letter to …

Lesson 1: Mode, Mean, Median In this lesson, we’ll look at the three m‘s: mode, mean, and median. They each measure the “center” of a data set in a slightly …