-Two measures x and y were taken on 18 subjects. The first of two regressions, Regression I, yielded
y = 24.5+ 16.1x and had the following residual plot.
Residuals
8
6-
69
4
N
0
7TY 9
0
0.5
1
1.5 2
x
a) There is a linear relationship between x and y
b) There is a residual relationship between x and y
c) There is a negative correlation between x and y
d) There is a nonlinear relationship between x and y
e) There is a positive correlation between x and y
2.5 3
3.5