Estimate the correlation coefficient. *
100
80
60
Variable Y
40
20
0
10
20
30
Variable X
ris close to 1
ris close to O
ris close to -0.5
ris close to -1
ris close to 0.5
Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.