Does the notion that the more education an individual receives, the higher the person's income is likely to be translate to states? The following data represent the percentage of the population that has at least a bachelor's degree and the per capita personal income for a random sample of states.

(a) Do states with higher percentages of population with at least a bachelor's degree have higher per capita personal incomes at the α = 0.05 level of significance?
(b) Draw a scatter diagram to support your conclusion.