Correlation Flashcards
1
Q
Correlation
A
Measure strength of relationship between 2 variables
One does NOT mean a cause the other
(Unitless, represented by r)
Ranges from -1.0 – +1.0
2
Q
Phenotypic correlation
A
measures strength of relationship between performance in one trait and performance in another trait
3
Q
Genetic correlation
A
[more important than phenotypic correlation]
measures strength of relationship between breeding value of 1 trait with another
4
Q
Environmental correlation
A
measure of strength of the relationship between environmental effects
Often used for management purposes
5
Q
Regression coefficient
A
measures the change in Y response per unit change in X
can be + or -
Units change depending on the trait being measured
