There seems to be problem with 25 and 75 perentile values from the descriptive statistics function (linear). For the data set: 1, 2, 3, 4, 5, 6, 7, 8 statistiXL returns 2.25 (25%) and 6.75 (75%). Values should be 2.5 and 6.5, correct? Thanks
statistiXL is a powerful, feature rich data analysis package that runs as an add-in to Microsoft Excel. It has been designed and written by scientists in order to meet the demanding needs of anyone requiring access to a robust, versatile statistical analysis package that is quick to learn and easy to use.