Robert Stein of Brooklyn Associates argues that the per capita allocation of federal aid dollars to local governments is related to local needs. He measures aid as the number of dollars a city receives per person and need as the percentage of city residents who live in poverty. For 2013, he gets the following results:
 = 27.81 + 339.10X
r2 = .43 n = 243 sb = 93.4 Sy|x = 124.066
Interpret this equation. Present a hypothesis and a null hypothesis, and evaluate the hypotheses based on this equation.