Protected: kaynatbukhari Active 1 year ago Topics: 0Replies: 1☆ ProfileForums Topics StartedReplies CreatedEngagements Forum Replies Created Viewing 1 post (of 1 total) Author Posts June 6, 2016 at 11:45 am #319823 kaynatbukhariParticipant Topics: 0Replies: 1☆ Sir my question is while calculating average growth of four years, number of years ( n) as 3. not 4. why? Author Posts Viewing 1 post (of 1 total)