Trend lines are a type of regression analysis, which is a way to study the relationships between variables. In the context of small business, trend lines are often used to show sales trends and can be ...

Analyze your Excel information by creating high/low lines for your data charts, allowing you to easily view parameters of a given range. Mary Ann Richardson gives you the lowdown. Most often found in ...

Your first view of an Excel spreadsheet is typically a gray column header and a gray row header, with some faintly dotted blue lines throughout the rest of the screen. To emphasize your Excel data, ...

Remember that to find the equation of a straight line you need to know its gradient and a point on the line. In some instances you are told the value of the gradient, however there are times where you ...