Some ordered pairs are shown in Table 24. Let x be the explanatory variable and y be the response variable.
Table 24 Values of x and y
xy
0……………………18
2……………………16
2……………………13
4……………………11
6…………………… 8
a. Construct a scatterplot.
b. Is there a linear association, nonlinear association, or no association?
c. Compute r.
d. On the basis of the scatterplot and r, determine the strength of the association.