Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...

The adjusted r-squared is helpful for multiple regression and corrects for erroneous regression, giving you a more accurate correlation coefficient. If you look at the multiple regression we did, ...

A Zambian court has sentenced two men to two years in prison each. They were convicted of using witchcraft, popularly known as "juju" in Nigerian context, with the aim of assassinating the president, ...