how to plot iq/age in a regression model age vs iq regression age vs iq regression how to plot iq vs age in regression iq vs age regression how can I find the slope of the age curve in a regression model age and iq as continuous predictors why is age a continuous predictor in a regression what is a group iq vs age plot does iq depend on rpt iq vs age regression model what is the slope of an age vs iq regression how do you calculate the slope of iq vs age regression how to find the intercept of age what is the plot of iq vs age in the regression model how to plot the age vs iq curve in a regression how do you plot the slope of the iq regression in regression with a continuous predictor how to plot the iq v age regression how to plot iq curve for regression test how to plot group vs age ratios