Question Completion Status, QUESTION 10 10) Given the following 2 continuous variables : A husband's age and his wife's shoe size What kind of correlation would you expect to find between these 2? O a. a negative linear correlation O b. a positive linear correlation O c. a curvilinear correlation O d. no linear correlation QUESTION 11 11) If the Pearson's correlation coefficent is negative then the scatter diagram would be O a. would form a circle O b. declining as you move from left to right O c. none of the choices O d. would be rising as you move from left to right QUESTION 12 12) If the scatter diagram forms a perfect line then "r" must be equal to O a.0 . O b. +1 or -1 O c. greater than -1 O d. less than +1