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) All statements are false

Question

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) All statements are false

Quizplus · Accepted Answer

The F distribution is positively skewed and ranges from 0 to infinity, and its shape changes with degrees of freedom, but it is not symmetrical.

I the F Distribution Is Positively Skewed and Its Values