Lecture 9.5 - Non-Linear Regressions Flashcards
1
Q
Is Pearson’s r, the correlation coefficient, and the non-linear measure, R**2, equivalent?
A
No. You cannot just square the correlation coefficient, r, to get R**2.
2
Q
How many curves does a line have if it’s equation has no x**2 components?
A
None.
3
Q
How many curves does a line have if it’s equation has one x**2 component?
A
1
4
Q
How many curves does a line have if it’s equation has two x**2 components?
A
One
5
Q
How many curves does a line have if it’s equation has one x**3 component?
A
Two.
6
Q
How many curves does a line have f it’s equation has three x**2 components?
A
One.
