The table below gives the relationship between two variable
The table below gives the relationship between two variable x and y. The slope of the relationship equals ______.
X. Y
2. 180
4. 184
6. 188
8. 192
The table below gives the relationship between two variable x and y. The slope of the relationship equals ______.
X. Y
2. 180
4. 184
6. 188
8. 192
X. Y
2. 180
4. 184
6. 188
8. 192
Solution
(X) (Y) X*Y X*X 2 180 360 4 4 184 736 16 6 188 1128 36 8 192 1536 64 X = 20 Y = 744 XY = 3760 X^2 =120 Slope(b) = (NXY - (X)(Y)) / (NX2 - (X)2) Slope B = (4*3760 - 20*744)/(4*120-20^2) Slope B = 2