In past exercises, we’ve analyzed the effect of age on attitude toward online dating, finding that older people have more negative attitudes than younger people. Could this relationship be nonlinear? Use the PewWorkPlay dataset in order to run a set of nested regression models, using the “Online Dating Attitude” index as your dependent variable. For your first model, use only the age variable. For your second model, add the squared age variable.

Build a professional-looking table, create a graph, and explain your results.