PMCC Flashcards
(7 cards)
1
Q
What is the critical r value?
A
How correlated the data needs to be for a valid relationship
2
Q
In a pmcc test, what is the null hypothesis?
A
H0 : P = 0 ALWAYS
3
Q
In a pmcc test, what are the options for an alternative hypothesis, what do they mean?
A
H1:P > 0 positive correlation
H1:P < 0 negative correlation
H1 :P !=0 some correlation
4
Q
In order for a result to be significant, what must be?
A
|r| > |critical value|
abs value
5
Q
Define Extrapolation
A
Data taken from outside the bounds of the data set following trends
6
Q
Define Interpolation
A
Data taken from inside the bounds of the data set
7
Q
What is the range of valid PMCC values
A
-1 <= r <= 1
