Spss Regression Line. In the new window that pops up drag the variable score into the box labelled dependent and drag hours into the box labelled independent. Let s now add a regression line to our scatterplot.
We can just c lose the dialog. This is the vote share we expect when tweet share equals zero. Click the analyze tab then regression then linear.
Navigating to ele m ents f it line at total immediately adds the desired regression line to our scatterplot.
This relation looks roughly linear. Right clicking it and selecting edit content in separate window opens up a chart editor window. The variable we want to predict is called the dependent variable or sometimes the outcome variable. Like so 1 point increase on the iq tests corresponds to 0 27 points increase on the job performance test.