Here, we look at how to use data imported into Microsoft Excel to perform a linear regression ... choose "Add Chart Element" from the "Chart Design" menu. In the dialog box, select "Trendline" and ...

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a value that indicates the rate at which the y value of a ...

When working with a large data set, you would be more productive if you knew how to quickly find what you need. Luckily, ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...