If you operate a tutoring service or maintain employee training details, Excel makes it easy for you to record and filter information. You can create a spreadsheet ...

Let’s say you have an Excel workbook that contains student grades for multiple sections of a class that you are coordinating. You would like to be able to summarize the grade data by different ...

Your summarizations, analyses, projections, reports and so on, are only as good as your data. It’s important that you use every resource available to protect the validity of the data, which means you ...