For all versions of Word then click the Formula button in the Data button group to open the Formula dialog box. It builds confidence when attacking. Suppose a person wants to check or test if tea and coffee both are equally popular in the city.
And go to Layout Tab and then click the Formula button that will display a Formula dialog box.
Type in an equation. Insert a Mean Symbol. To do this click inside the last cell in the fourth column click on Layout in the ribbon and then click on Formula at the far right. This is the best thing that I learned that wasting 23 hours in learning things useful would have saved days and weeks in writing master thesis and more importantly would have relieved lot of mental stress that I under went just because I didnt used efficient and smart method to automate most of.