are rural and urban regression models correlated which type of regression has the ability to show the difference between descriptive statistics? why would two samples in regression be pooled how can we find out which model of a population is negatively affected by the population of rural regions? why is a rural data set different what model is used to estimate the underlying population why are two regression models run separately why do two samples need to be pooled which model looks too different? what is one sample of a pooling model do you pool sample for rural which sample does the average regression estimate why do two samples need to be pooled when to use pooled regression how to run a pooled regression model that is used to estimate a population how to tell which model is too random what does a pooled regression model look like why do rural and urban regression models look similar? which is better model of a rural or urban population why do the two regression lines look alike