In regression analysis, which statements are true?
I. Data sets that include an influential point are nonlinear.
II. Influential points always reduce the coefficient of determination.
III. All outliers are influential data points.
A) I only
B) II only
C) III only
D) None are true

Respuesta :

Answer: D

Step-by-step explanation:

Idk i just got it wrong on usatestprep and it said that the answer is D. so have at it.

Answer:

D) None are true

Step-by-step explanation:

- Data sets with influential points can be linear or nonlinear.

- Influential points can increase the coefficient of determination.

- Outliers are influential only if they have a big effect on the regression equation.

Hope his helps

-Amelia