Is it better to plot your data and find the slope? Or is it better to just look at each individual data point and average your values?

Graphical methods of assessing the validity of a probability model, and of estimating location and scale parameters, have been widely applied over many years. A variety of different prescriptions have ...

Previous quantile-plotting methods are extended through the use of survey-weighted quantile point estimators. The resulting graphical methods include normal quantile plots and related normal ...