Probability & Statistics - Old Questions

1.

iv) If r=0.2 then coefficient of determination implies that

a) 20% of total variation in dependent variable has been explained by independent variable.

b) 40% of total variation in dependent variable has been explained by independent variable.

c) 2% of total variation in dependent variable has been explained by independent variable.

d) )4% of total variation in dependent variable has been explained by independent variable.