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 ...

Q. As a conclusion to each project, we evaluate our project time and cost estimates for accuracy. Obviously, underestimating is a problem, but over-estimating is also a problem that leads to ...

Microsoft Excel can perform numerous statistical functions, as well as create charts from statistical data. Statistical data includes numeric variables or word variables, also called categorical ...

Whether presenting a project at school, delivering a critical report at work, or simply trying to make sense of your budget, graphs are efficient and visually appealing means of conveying complex ...

Excel offers many different chart types—including column and bar graphs—to present your data. However, you don't have to settle for the preset column and bar layouts. Instead, you can swap these for ...

One way to improve your spreadsheet is to present data in chart form, and Excel is a great program for doing just this. However, Excel's overwhelming number of menus often results in some of the most ...

Q. My supervisor wants me to include more data visualizations in my projects. Do you have any suggestions? A. Data visualization transforms raw data into graphical representations, making complex ...

Bar graphs are graphical representations of statistical data in the form of strips or bars. This allows viewers to understand the difference between the various parameters of the data at a glance ...

Tired of erasing holes in your graph paper or having to start over from scratch? Here's an easy way to create your own custom graph paper in Excel. This past week, I started mapping out new flowerbeds ...

When you create a graph that includes dates, Excel 2013 automatically spaces the data in chronological order. This behavior potentially creates irregular spacing with unpredictable formatting. If the ...