Z-Stats / Basic Statistics
Don't be caught in your skivvies when you talk about CV's, or confuse STD's with SD's. Do you know what they mean when they talk about mean? These are the bread and butter statistical calculations. Make sure you're doing them right.
Dr. Madelon F. Zady, Ph.D., talks about the nature of a relationship (correlation) and the strength of a relationship (regression). These are statistical relationships, of course. For other forms of relationship advice, we suggest you consult the webmaster or another website entirely.
Dr. Zady introduces all the terms of statistics. If you don't know your t-tests from your F-tests, this is a painless place to start.
Madelon F. Zady, Ph.D., begins a series on statistics. This first lesson is easy. All she does is explain the best way to learn about statistics (without falling asleep).