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 ...

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 ...

The equation that is displayed for a trendline on an XY Scatter chart in Microsoft Excel is incorrect. Microsoft Excel plots the incorrect trendline when you manually substitute values for the “x” ...

Excel is a widely used spreadsheet software that allows users to analyze and visualize data effectively. One common use of Excel is creating graphs with multiple lines to showcase trends or ...

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 ...

I have a set of data, which I charted and then used the 'add trendline' tool to get a decent 2nd order poly. fit with the equation: y = -3E-39x^2 + 4E-19x + 3.4212 However, when I type this equation ...

This macro accesses an Excel sheet from within SAS and draws a ruled line. The macro draws a line over the record when the data changes with the variable set by var. The number of referenced variables ...