2.
(02.01 hc)
the percentage of children ages 1 to 14 living in poverty in 1985 compared to 1991 for 12 states was gathered.

state %of children in poverty 1985 %of children in poverty 1991
1 11.9 13.9
2 15.3 17.1
3 16.8 17.4
4 19 18.9
5 21.1 21.7
6 21.3 22.1
7 21.4 22.9
8 21.5 17
9 22.1 20.9
10 24.6 24.3
11 28.7 24.9
12 30.8 24.6

part a: determine and interpret the lsrl. (3 points)
part b: predict the percentage of children living in poverty in 1991 for state 13 if the percentage in 1985 was 19.5. show your work. (3 points)
part c: calculate and interpret the residual for state 13 if the observed percent of poverty in 1991 was 22.7. show your work. (4 points)