Correlation measures the linear relationship between two variables. It gives an indication of the strength of the relationship by measuring and relating the variance of each. Correlation answers the ...

Tutorial for using Excel for statistical analysis in my courses. It is based on the excellent online tutorials at Easy Excel Tips. Unfortunately, the tutorials were taken offline. The previous link is ...

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.