Author Question: Which of the following is (are) true about the F distribution? a. it has no negative values b. ... (Read 21 times)

lracut11 · **on:** Jun 19, 2018

Which of the following is (are) true about the F distribution?

a. it has no negative values
b. it is positively skewed
c. there are a family of F curves uniquely determined by df(numerator) and df(denominator)
d. the mean of the F distribution equals 0
e. all of these
f. it has no negative values and it is positively skewed
g. it has no negative values, it is positively skewed and there are a family of F curves uniquely determined by df(numerator) and df(denominator)

Question 2

The F ratio increases as _________.

a. the variability between means increases relative to the variability within groups
b. the variability between means decreases relative to the variability within groups
c. the total variability increases
d. the total variability decreases
e. the variability within groups remains the same