This applet illustrates the connection between a confidence interval, a formal hypothesis test, and the p-value of a hypothesis test.
This applet gives a visualisation of the concept of statistical power, and helps illustrate the relationship between power, sample size, standard deviation and difference between the means.
This applet illustrates partitioning of variability into explained (fitted) and unexplained (residual) variability.
This applet illustrates the partitioning of variability into explained and unexplained variability, in the context of ANOVA.
This applet explores the normal approximation to the binomial distribution.
This applet explores the relationship between the pmf or density and the cumulative distribution function of a range of discrete and continuous probability distributions.
This applet shows the relationship between a plot of an estimated empirical CDF and a normal probability plot.
This applet explores QQ-plots for a range of distributions.
This applet illustrates the concept of independent identically distributed random variables.
Guess the correlation of a sample of bivariate data drawn from a linear or non-linear population.