VARForums › Ask ACCA Tutor Forums › Ask the Tutor ACCA AFM Exams › VARThis topic has 1 reply, 2 voices, and was last updated 8 years ago by John Moffat.Viewing 2 posts - 1 through 2 (of 2 total)AuthorPosts March 7, 2017 at 8:49 am #376191 mansoorParticipantTopics: 424Replies: 542☆☆☆☆in some circumstances, instead of using the given mean in the question we have to usez=(x-mean)/sigmacan u please tell under which circumstances do we use this rather than the mean given?thank u!! March 7, 2017 at 1:41 pm #376247 John MoffatKeymasterTopics: 57Replies: 54719☆☆☆☆☆I don’t know what you mean by writing ‘instead of using the given mean’. The tables always give the probability of being between the mean and some other value.AuthorPostsViewing 2 posts - 1 through 2 (of 2 total)The topic ‘VAR’ is closed to new replies.