Statistics Applets

Applet Sites


Descriptive Statistics


Normal Distributions


Other Distributions


Sampling Distributions and the Central Limit Theorem


Regression and Correlation


Confidence Intervals


Tests of Significance

  • Tests of Proportions.  You can adjust the alpha level, the form of the hypotheses, or make p different from p0.  Sixty samples of size 30 are then drawn.  The applet graphically shows the samples where the null is rejected as well as those where the null is not rejected.
  • Random Marble Grabber.  You can draw marbles out of a bag and a chi-square test statistic is calculated on the premise that the colors are evenly distributed.

  • Probability