Draw a scatterplot to illustrate each of the following kinds of structure in bivariate data. There is no need to work from data for this question; you may draw the points directly.
a. No relationship between X and Y.
b. Linear relationship with strong positive correlation.
c. Linear relationship with weak negative correlation.
d. Linear relationship with correlation –1.
e. Positive association with unequal variability.
f. Nonlinear relationship.
g. Clustering.
h. Positive association with an outlier.