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52833Re: Story point estimating - ideal time vs relative scale

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  • JackM
    Oct 11, 2011
      As you get larger you need bigger margin for error. You can discern between 1 & 2 less so between a 40 and 41 pointer so that's why fibonnaci works well


      --- In scrumdevelopment@yahoogroups.com, RonJeffries <ronjeffries@...> wrote:
      > Hi Jack,
      > On Oct 11, 2011, at 10:43 PM, JackM wrote:
      > > Typically you estimate size in story points. Each story is weighted against the other stories in the backlog. So if your first story is a 2. Then the next story which is twice the size of that one let's say then you'd give that one a 5. Remember there is no 4 as you should use the modified fibonaci sequence 1,2,3,5,8,13,20,40,100. You can also ad 0, 0.5 if u wish.
      > Then why not add 4 for X sake?
      > Is it not obvious that this is the rankest numerology?
      > Ron Jeffries
      > www.XProgramming.com
      > If another does not intend offense, it is wrong for me to seek it;
      > if another does indeed intend offense, it is foolish for me to permit it.
      > -- Kelly Easterley
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