In my attempt to UNDERSTAND and APPLY STATISTICS as a librarian...
I must admit, I'm in the midst of my last 6 hrs of graduate school, taking statistics! Let that sunken feeling drop in your belly! But I did find this slide share simple enough to understand and save-face for discussions: Statistics for Librarians: How to Use and Evaluate Statistical Evidence from John McDonald Statistics for Librarians, Session 4: Statistics best practices from Karen Harker