A- what is the chart called when the paired data (the dependent and independent variables) are plotted l? B- in the regression equation Y'=a + bX, what does the letter A represent C- in the regression equation Y'= A+bX what does the letter b represent D- suppose the least squares regression equation is Y'=1202 + 1,133X when x=3 what does y equal? E- based on the regression equation, we can