Rossman/Chance Applet Collection


Show Sampling Options:
Enter alternative probabilities
Number of Shuffles:

Total Shuffles =

Overlay Chi-square distribution Overlay Normal distribution
Most Recent Sample χ Output
95% CI(s) for difference in proportions


  • First row in data table is assumed to be variable names (use single words, no symbols). You can also specify the table of counts (just list outcomes and count in each row).
  • Check the Show Sampling Options box to enter hypothesized probabilities (equally likely by default)
  • Separate hypothesized probability values by comma
  • MAD = mean absolute deviation between observed and expected counts
  • Max - Min = largest sample proportion - smallest sample proportion