when we cannot know mgf of $x$ can we take cf(x) which term represents the moment of a student's t distribution which term describes a characteristic function of a t distribution? how to calculate mgf what is the mgf and cf of a student's t distribution what is mgf what is the function for mgf in rv which of the following is a characteristic function of student’s t distribution cf of a student's t distribution what is the mgf and cf what is mgf and cf what is the mgf function in student t how do you know mgf which sd function is a characteristic function what is mgf and cf if mgf of $xx is insufficient what is t? what is cf of student's variable x in m how to find mgf and cf of student's t distribution how to find mgf in t distribution which is correct for mgf of student's distribution