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## 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: ...

## Critical Chi-Square Values

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

## 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 ...

## 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 ...

## Box Plot Maker

Instructions: The following graphical tool creates a box plot on the data you provide in the boxes. You can type one or more samples. Please press ‘\’ to start a new sample. Type the samples (comma or space separated, press ...

## Stem-and-Leaf Plot Maker

Instructions:The following graphical tool creates a Stem-and-Leaf on the data you provide in the box below. Type the sample (comma or space separated, press “Enter” for a new sample): More About Stem Plots What is a Stem-plot? A ...