Interpretation of correlation coefficient. After computation of correlation coefficient between X and Y, it has to be tested for statistical significance by comparing calculated t value with table ...

The coefficient of determination shows the level of correlation between one dependent and one independent variable. It's also called r 2 or r-squared. The value should be between 0.0 and 1.0.

Correlation is measured through the correlation coefficient, which always returns a value between +1.0 (perfectly positively correlated) and -1.0 (perfectly negatively correlated).

Google is celebrating the 180th birthday of John Venn, creator of the Venn diagram, with a special doodle on its front page. The interactive doodle allows you to choose from ten subjects in order ...