Question 1

State whether the following statements are True or False (2 points each).

a)A correlation coefficient of r = 0.897 denotes a stronger relationship than a correlation coefficient of r = -0.975. ____________________

b)The value of correlation coefficient will never lie between -1 and +1. _____________________

c)In the case of perfect linear relationships, the observations plotted on a scatter plot will lie scattered closer to a straight line. ____________________________

d)The unit of the correlation coefficient is never affected by the units of the independent and dependent variables. _________________________

e)The coefficient of determination can also be a negative value. _______________________