Microsoft Excel's Data Validation tool lets you add a drop-down list to a cell based on existing data in a column. However, ...

Dropdowns are useful features that simplify data entry and enforce data validations in spreadsheet software. Creating a dropdown list is easy. And you might have done that already in Excel.

And, the Raw Data sheet is containing the source data that you previously created or imported. See: How to create a Histogram Chart in Microsoft Excel? The next thing to do is to understand what ...