Which of the Following Characteristics Is True with Regard to the F

Multiple Choice

Which of the following characteristics is true with regard to the F distribution?

A) The F_(df1,df2) distribution is negatively skewed.
B) The values of the F_(df1,df2) distribution range from negative infinity to infinity.
C) The F_(df1,df2) distribution is the probability distribution of the ratio of two independent chi-square variables.
D) The shape of the F_(df1,df2) distribution is independent of the degrees of freedom.