i. The F distribution is positively skewed and its values may range from 0 to plus infinity. ii. The F distribution's curve is positively symmetrical.
iii. Like Student's t distribution, a change in the degrees of freedom causes a change in the shape of the F distribution.
A) (i), (ii), and (iii) are all correct statements.
B) (i) and (ii) are correct statements but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) (i), (ii), and (iii) are all false statements.

Question

Quizplus · Accepted Answer

The F distribution is indeed positively skewed and its values range from 0 to infinity, making statement (i) correct. Statement (ii) is incorrect because the F distribution is not symmetric; it is positively skewed. Statement (iii) is correct because, similar to the Student's t distribution, changes in degrees of freedom affect the shape of the F distribution.

I the F Distribution Is Positively Skewed and Its Values