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Chapter 16 (Steps (r (Strength (None (0 (Regression :forbidden:)), -ve (r=…
Chapter 16
Steps
Define
1 Dependent
Set Independent
r
Strength
None
0
Regression :forbidden:
-ve
r=-1
+ve
r=1
Measure
Formula :question:
Sxy/Sx.Sy
Regression
Regression
line
Bs
Expectations
Model
Y hat
Predict
Least Squares
Best fit line
Inference :check:
#
TSS=RSS+ESS
R^2
Higher
Better
Linear Regression
Relationship
X,Y
Residual
Assumptions
Straight
E
Random
Normal
u=0
Variance = Constant
Independent