Question: Illustrate on a graph how the scatterplots would look to make the following statements true.

a. There is a high positive correlation between eights and weight for children 4-10 years old but no correlation within any age span of one year.

b. There is no relationship between the National Merit test and high-school grades for those students who get scholarships to go to college, but there is a positive relationship for all high-school students.

c. Two subgroups have negative correlations, but the combined group has a positive correlation.

d. There is a very consistent relationship between X and Y, but the correlation coefficient is nearly zero.