Excel Minitab JMP SPSS TI R Mac-TXT PC-TXT CSV CrunchIt! (a) Without making scatterplots, find the correlation, to three decimal places, for all four data sets. Fill in the blanks for the value of the correlation for Set A, for the value of the correlation for Set B, for the value of the correlation for Set C, and for the value of the correlation for Set D, respectively. (Enter your answers rounded to three decimal places.) I Set A = I Set B= I Set C = r Set D = Without making scatterplots, find the least-squares regression line for all four data sets. What do you notice about the least- squares regression lines? Choose the correct answer. ur data sets