7. The data represent the distribution of U.S. suicide rates per 100,000 of the population for men and women from 1995 – 2002.

Question

Table 4.28
Men (x) 19.8 19.3 18.7 18.6 17.6 17.5 17.6 17.9
Women (y) 4.4 4.4 4.4 4.4 4.1 4.1 4.1 4.3
a) Find the regression line equation.
4.3+18.9 men
b) Compute the linear correlation coefficient.
4.7
c) Estimate the suicide rate for women in a year in which the suicide rate for men is 18. If it cannot be done, explain why not.
it cannot be done because the number of men and women are different each year.
d) Estimate the suicide rate for women in a year in which the suicide rate for men is 10. If it cannot be done, explain why not.
it cannot be done. they are not similar to each other.