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## Kruskal-Wallis Test Calculator

Instructions: This calculator conducts Kruskal-Wallis Test, which is non-parametric alternative to the One-Way ANOVA test, when the assumptions are not met for ANOVA. The purpose of the test is to assess whether or not the samples come from ...

## Critical T-values

Instructions: Compute critical t values for the t-distribution using the form below. Please type significance level \(\alpha\), number of degrees of freedom and indicate the type of tail (left-tailed, right-tailed, or two-tailed) Significance level ...

## Critical Chi-Square Values

Instructions: Compute critical Chi-Square values for the Chi-Square distribution using the form below. Please type the significance level \(\alpha\), the number of degree of freedom (df),and indicate the type of tail (left-tailed, right-tailed, or ...

## Lambda Coefficient Calculator

Instructions: This calculator computes the value of Lambda, which measures the strength of the association between two nominal variables. Please first indicate the number of columns and rows for the cross tabulation, and then type the table data: ...

## T-Distribution Probability Calculator

Instructions: Compute t-distribution probabilities using the form below. Please type the number of degrees of freedom associated to the t-distribution, and provide details about the event you want to compute the probability for: Number of Degrees of ...

## Chi-Square Test for Goodness of Fit

Instructions: This calculator conducts a Chi-Square test for goodness of fit. Please enter the observed data, the hypothesized population proportions (expected proportions) and the significance level and the results of the Chi-Square test will be ...

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