An Excel pie chart displays categories of data as wedges in a circular graph. This format allows users to quickly see the contribution each category makes to the total figure and a correlation of ...

Calculating the Pearson correlation coefficient can be complicated but software makes it much easier. You can use several methods to calculate correlation in Excel.

The CHART OF THE DAY shows the relationship between the MSCI Frontier Markets Index and the Standard & Poor’s 500 Index. The correlation coefficient between the gauges is 0.31, based on a 120 ...