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Interpretation of s
when using LSRL to predict y units from x units our predictions were off by about residual with units on average
Interpretation of r2(coefficient determination)
(r2%) of the variation in (y) is accounted for by the LSRL relating( x) to (y)
Empirical rule
68,95,99.7
Treatment
A specific condition applied to experimental units.
Unit (Experimental Unit
The individual or item that receives the treatment.
Factor
An explanatory variable whose levels are manipulated by the experimenter.
Level
A specific value or setting for a factor.
Confounding Variable
An external variable that affects both the treatment and the outcome, making it hard to determine the true cause-and-effect relationship.