which of the following is a regular variation what is the importance of second order variation in extreme value theory? what theory is regular variation in what makes up the concept of regular variation? does extreme value theory have regular variation? which type of variation is used in extreme value theory? what is the main difference between the second and third order variation of extreme value theory in the probability theory? what is the concept of regular variation what is the concept of a second order variation what type of variation is used to explain the tail what is regular variation in rv which is an example of regular variation? what is the concept of regular variation in extreme value theory which statement is most important about the concept of regular variation? which term describes an order of regular variation in extreme values? which term refers to second order variation of a value what is regular variation what is second order regular variation why is the concept of regular variation vague what is regular variation and which is not