In a two predictor regressionthere will, of course, be two slopes. The interpretation of these two slopes is as follows. The. Lecture Notes #7: Residual Analysis and Multiple Regression 7-20 Figure 7-5: Linear ï¬t with residuals plotted.
Eisenhower entered the 1952 presidential race as a Republican to counter the non-interventionism of Senator Robert A. Taft, campaigning against communism, Korea and corruption. He won in a landslide, defeating Democratic candidate Adlai Stevenson and temporarily upending the New Deal Coalition.
Nixon ran against Herbert Humphrey in 1968. Humphrey was the  incumbent vice president and the Democratic hopeful for that  election period.