Data Analysis

Statistical analysis is a vast field, but the bit you actually need for customer feedback is tiny. Master a handful of techniques and you'll outrun ninety percent of the teams working alongside you. Here are the only statistical analyses you need, what they're for, and how to know when to reach for each one.

Ask a customer how important price is and you'll get a 10 out of 10 every time. That doesn't tell you anything, customers can't, or won't, tell you what really matters. Here are the two approaches (stated and derived importance) and the four ranking methods, with the trade-offs of each laid out plainly.