Figure 1: Scatter plot showing an outcome variable (blood pressure) on the y-axis and explanatory variable (age) on the x-axis, with regression line through the plots. Credit: Technology Networks.

Linear equations ... be drawn as a parabola on a graph. Find out how to plot the graph in this Bitesize KS3 maths video. WATCH: How to construct a parabola A simple, step-by-step guide on how ...

Simple linear regression is commonly ... data points represented by the five dots on the graph. Linear regression attempts to estimate a line that best fits the data (a line of best fit) and ...

Capture relationships between data sets by graphing linear equations in ... and dragging the bottom right-hand corner. Add a linear regression line to the scatter chart by clicking the "Layout ...

One way to assess this fluctuating data is to add a linear trend line to the Excel 2013 graph. This visual element considers all the data and displays the overall direction the values are taking.

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 ...