Statistics > Multinomial > Chi-Square Goodness-of-Fit

The Chi-Square Goodness-of-Fit test determines whether an observed frequency distribution agrees with some claimed distribution. It applies to data of different categories resulting from a multinomial experiment. The test statistic for Goodness-of-Fit tests in multinomial experiments is

When using this utility, you must provide the observed frequencies (frequency counts or categorical data) and the expected frequencies or probabilities. You must also provide the confidence level of the test.

Dialog Inputs

Observed Frequencies

Expected Frequencies

Significance Level

Enter the significance level in the given text box. The significance level must be between 0 and 1.