Ugc net commerce statistics

according to me both the points 3rd n 1st both are false.... amcan u plz explain both the points 20.)Which one of the following statements is false? (a) Both correlation and regression co-efficients have same sign always more than the correlation co-efficient origin and scale regression co-efficients (b) Arithmetic mean of the regression co-efficients is (c) (C) Regression co-efficients are independent of both the (d) Correlation co-efficient is the square root of haun two Qdsx6 e r9t uper 9res