What is a Pearson correlation? The Pearson correlation analyses the linear relationship between two variables. With the help of the Pearson correlation coefficient r which is between -1 and 1 we can determine: How strong the correlation is and in which direction the correlation goes. ► Online Calculator Pearson Correlation ► Tutorial Pearson Correlation ► E-BOOK 00:00 What is a Pearson correlation? 00:44 What is Pearson correlation coefficient? 01:58 Calculate Pearson correlation 04:20 Testing Pearson correlation for significance (hypothesis testing). 04:50 Null hypothesis and alternative hypothesis 06:19 Assumptions of Pearson correlation analysis 07:19 Calculating Pearson correlation online