Excel allows you to add charts to enable others to visualize the data you're presenting. Because there are a variety of charts available, such as line and bar, determine the best chart style to suit ...

Here is my dilemma. I am trying to help a friend add a trendline to an existing graph and control the length of the trendline itself. The graph tracks scores over a date range. The problem is that ...

Data is rarely so uniform and predictable that plotting data points creates a perfectly linear arrangement. Scatter charts might have wildly varying plots that create a seemingly random correlation ...