A trendline in Excel is a line that shows a general trend (upwards/downwards or increase/decline). Thus, it can help in a quick interpretation of the data. The trendline in Excel can be added to a ...

The first step in running regression analysis in Excel is to double-check that the free plugin Data Analysis ToolPak is installed. This plugin makes calculating a range of statistics very easy. It is ...

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 ...