Buttons for changing the zoom percentage can be found on the tab of the ribbon.

View tab.

Explanation:

This is a question regarding Microsoft Office Excel. Zoom in/out section is a very useful feature in Excel, because it allows you to see more cells. However, it does not change the font size or formatting. The easiest way to use Zoom option is to use a Zoom Slider in the bottom right side of the workbook. By default, each screen is displayed at 100% size. The maximum to zoom in iz 400%. Maximum to zoom out is 10%. Another way to use a zoom option is under the View tab of the ribbon. The principle of magnification is basically the same.

answer; when one group has an extremely high score at pretest;