If the LSRL relating the independent variable x and the dependent variable y for a given problem is y = 3x + 4, then an increase of 1 unit in x is associated with an increase of how many units in y ? a) 4 b) 1 d) 3 e) 7 Question 8 If the correlation between number of children in a family and annual income was close to -1, we could conclude that a) low incom es cause people to have more children. b) high incomes cause sterility. c) low-incom e families tend to have more children. d) high-income families tend to have more children. e) high incomes cause people to have more children