Demystifying frequency distributions 

Nearly all data in nature are distributed in some way and understanding frequency distributions is absolutely key to being able to compare data sets and perform hypothesis testing (as we'll look at in a later video). So here we look at frequency distributions - in particular the Normal distribution - using our trusty example - Nurofen tablets... We'll look at what the Normal distribution is, how it can be calculated, the effect of standard deviation and mean and why trying to calculate a distribution from just three data points in never a good idea! After watching this video, you'll be (nearly) all set to start hypothesis testing!
Other videos in this series;
Part 1: Accuracy and precision - • Are accuracy and preci...
Part 2: Central tendency (mean, median and mode) - • What are mean, median ...
Part 3: Standard deviation - • What is standard devia...
Part 4: Standard error of the mean - • Understanding standard...