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Calculates the correlation coefficient for 2 sets of numerical data.
Calculates the Pearson correlation coefficient for two sets of numerical data. The user has the option to add values to either set of data with the corresponding Add button or the ENTER key. In addition, the user can select one or more values from each list at a time to remove them to change the calculation. The clear button will remove all values from its corresponding list.
RPowr is a simple calculator for planning correlational research. It computes the power of the Pearson correlation coefficient allowing adjustment for unreliability and range restriction of the variables (e.g. predictor and criterion measures).