1.c Consider the following population relation Y; 3 0 13 1X; + Uj. Part 1) A linear regression yields 1 exactly equal to zero. Is the R2 = 0? True or False? Explain. (5 points) Part 2) A linear regression yields R2 = 0. Is8 1 is exactly equal to zero? True or False? Explain. (5 points)