Statcrunch: Scatterplot of the data To obtain the scatterplot of the data without a regression line/curve: Graph-scatterplot Linear Model Stat-regression-simple linear For the residual plot: Stat-regression-simple linear-scroll down to graphs and choose ‘residual index plot’ Quadratic model: Stat-regression-polynomial For residual plot: Stat-regression-polynomial-graphs-residual index plot- compute (it will be on the second page)
Statcrunch: Scatterplot of the data To obtain the scatterplot of the data without a regression line/curve: Graph-scatterplot Linear Model Stat-regression-simple linear For the residual plot: Stat-regression-simple linear-scroll down to graphs and choose ‘residual index plot’ Quadratic model: Stat-regression-polynomial For residual plot: Stat-regression-polynomial-graphs-residual index plot- compute (it will be on the second page)