Stats stuff Flashcards
1
Q
what is correlation
A
correlarion indicates the relationship between two or more variables of a series so that changes in the values of one variable are associated with changes in the values of the other variables
2
Q
What is Pos correlation
A
positive correlation is when two variables move in the same direction
an increase in the value of one variable leads to an increase in the value of the other variable
3
Q
Neg correlation what is it
A
when the values of two variables move in opposite direction
increase in one variable results in decrease of other variable
4
Q
/ what correlation
A
perfectly positive
5
Q
\ what correlation
A
perfectly negative