If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Column graphs offer a visual representation of data that allows easy comparison between multiple values. Typically, these columns are uniformly spaced, but there are times you will need to group ...

Have you ever struggled to make sense of a dataset with too many categories or time-based data? It’s a common challenge—how do you present individual contributions while still showing the bigger ...

If you have an Excel spreadsheet that contains empty data, such as empty rows or columns, and plot a graph from the spreadsheet, Excel plots all empty data. Microsoft Excel 2010 does not plot hidden ...