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Spearman Correlation Calculator

Instructions: You can use this Spearman Correlation Calculator tool to compute Spearman's Correlation Coefficient for two variables X and Y. All you have to do is type your X and Y data, either in comma or space separated format (For example: "2, 3, ...

Pooled Variance Calculator

Instructions: This calculator computes the pooled variance and standard deviation for two given sample standard deviations $$s_1$$ and $$s_2$$, with corresponding sample sizes $$n_1$$ and $$n_2$$. Sample St. Dev. Sample 1 ($$s_1$$) = Sample Size 1 ...

Effect Size Calculator – Cohen’s d

Instructions: This Statistics calculator will compute the Cohen's d for you. Please provide the information required below: Sample Mean ($$\bar X$$) Population Mean ($$\mu$$) Population St. Dev. ($$\sigma$$)   More about this Cohen's D ...

Gamma Coefficient Calculator

Instructions: This Gamma Coefficient Calculator computes the value of Gamma, which measures the strength of the association between two ordinal variables. Please first indicate the number of columns and rows for the cross tabulation, and then type ...

Scatter Plot Maker

Instructions: Create a scatter plot using the form below. All you have to do is type your X and Y data. Optionally, you can add a title a name to the axes. X data (comma or space separated) Y data (comma or space separated) Type the title (optional) ...

Z-test for Two Proportions

Instructions: This calculator conducts a Z-test for two population proportions (p1 and p2), Please select the null and alternative hypotheses, type the significance level, the sample sizes, the number of favorable cases (or the sample proportions) ...