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Pearson Correlation Coefficient Calculator. The Pearson correlation coefficient is used to measure the strength of a linear association between two variables, where the value r = 1 means a perfect positive correlation and the value r = -1 means a perfect negataive correlation.
An online Pearson correlation coefficient calculator (offers scatter diagram, full details of the calculations performed, etc).
If you need to derive a r score from raw data, you can find a Pearson (r) calculator here. Significance Level: Enter your values above, then press "Calculate". This site features a number of different correlation calculators which you might find helpful. A simple calculator that generates a P Value from a Pearson (r) score.
Here you'll find a set of statistics calculators that are intuitive and easy to use. Included are a variety of tests of significance, plus correlation, effect size and confidence interval calculators.
An online Spearman's Rho (correlation coefficient) calculator (offers scatter diagram, full details of the calculations performed, etc).
How to Report Pearson's r (Pearson's Correlation Coefficient) in APA Style. The APA has precise requirements for reporting the results of statistical tests, which means as well as getting the basic format right, you need to pay attention to the placing of brackets, punctuation, italics, and so on.
Spearman's Rho Calculator. Spearman's Rho is a non-parametric test used to measure the strength of association between two variables, where the value r = 1 means a perfect positive correlation and the value r = -1 means a perfect negataive correlation.
Point-Biserial Correlation Calculator. This calculator allows you to measure the correlation between two variables in the special circumstance that one of your variables is dichotomous - that is, that it has only two possible values, 1 or 0 for the purposes of this calculator.
This is a easy chi-square calculator for a contingency table that has up to five rows and five columns (for alternative chi-square calculators, see the column to your right). The calculation takes three steps, allowing you to see how the chi-square statistic is calculated.
Critical Value Calculator. This quick calculator allows you to calculate a critical valus for the z, t, chi-square, f and r distributions. Critical Value for T. Select your significance level (1-tailed), input your degrees of freedom, and then hit "Calculate for T".