“Too many dots,” Miller said. “Not enough lines.”James S. A. Corey, Leviathan Wakes
The last few years we have been given more and more data. Data-driven decisions is a buzzword in many businesses and people seem to trust you more if you say that you based your decisions on data. The challenge is that the more data we get, the harder it is to analyse. You need more time and more skill if you want to analyze large datasets, and it becomes easier and easier to make an error and come up with a wrong conclusion.
If you learn some basic data visualization techniques, then you will get far. And please stop calculating the average of all the data you get; most people have no idea what it means nor how dangerous that measure is.
Instead focus on a few dots, visualise it, and then try to draw some lines. Or try go talking to people…