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.

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Percentage of Population with at Least a Per Capita Personal Income (Dollars) Bachelor's Degree State Arkansas 18.8 31,946 California 42,325 29.6 Iowa 24.3 36,751 Louisiana 20.3 35,507 Maine 25.4 36,745 Nebraska 27.1 38,081 Ohio 24.1 35,381 35,667 Oregon 28.1 36,484 Texas 25.3