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