(8) The slope of the least squares prediction equation and the correlation are similar in the sense that (select all that apply): (5 points) a) They do not depend on the units of measurement b) They both must fall between -1 and +1 c) They both have the same sign d) They both equal 1 when there is the strongest association e) Their squares both have proportional reduction in error interpretations f) They have the same t statistic value for testing Ho: independence g) They both can be strongly affected by severe outliers