RETURN DEVAITIONForums › Ask ACCA Tutor Forums › Ask the Tutor ACCA AFM Exams › RETURN DEVAITIONThis topic has 0 replies, 1 voice, and was last updated 13 years ago by salu007.Viewing 1 post (of 1 total)AuthorPosts November 20, 2011 at 6:28 pm #50592 salu007MemberTopics: 58Replies: 32☆☆Hi Sir,When calculating variance of the return to calculate the Standard deviation we use the formula formula. (R-ER)2 * Probaility where ER is the expected returnn what is R.can you please clarify.Best RegardsAuthorPostsViewing 1 post (of 1 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed in Log In