This web calculator allows users to specify the mean and standard deviation (SD) of the normal distribution, and choose a desired area. The calculator shows the area in grey, and returns the ...

This video describes the central limit theorem and some properties of the normal distribution. Understanding this will help you tie together many of the different types of hypothesis tests and ...

This applet allows users to drag sliders to change the number of bins (n) on a Galton board with probability of success p = 0.5. The applet animates the creation of a binomial distribution. This ...