After examining these data for all the jurisdictions, someonenotes that certain areas have an unusually high “percent of 18-64yr-olds with no high school diploma.†Based on this finding, thisindividual concludes that the high percentages are due to therising population of immigrants in those areas. Further, theindividual argues that any estimates of the associated “percent oflow-income working families†in those areas should be recalculatedafter removing this sub-population from the data set, as they arecausing the area to “look badâ€. In addition to thinking critically,use the key rules about linear regression and extrapolation towrite a statistically appropriate and socially responsible responseto the individual’s conclusion and argument.
