Five First Steps to Data Visualization
Before even beginning to format a graph, the question we need to ask first is not “how do we visualize data,” but “how do we find the story in the data?” The five steps outlined in this article will save you time and effort before you dive straight into design.
Four Stats Formulas that Every Spreadsheet User Should Know About
Learn four easy excel formulas (average, median, mode, and standard deviation) that will save you from doing these calculations manually.
Calculate Percent Difference
Learn when and how to compare the difference between two equally important values.
Calculate Percent Error
Learn how to compare an estimate to an exact value by looking at different examples.
Calculate Percent Change
Learn the math behind how to find the percent increase or decrease by looking at different examples.