Fifteen formulae to foment fabulous (f)results

OK, so the alliteration went a bit too far.
The PMP® exam commonly addresses the following fifteen formulae. Knowing this is helpful, but not critical to passing the exam. While there is no way to forecast what will appear on YOUR exam, the likelihood of encountering 10 or more of the following is high. So, 10 points is good, right? Here are the formulae. Practice using them will be delivered in future posts, ranked by reader feedback.

(singing Bob Marley) “No feedback, no cry.”

15 Essential PMP® Exam Formulae

  1. PERT: (P + O + 4ML) / 6
  2. Standard deviation: (P – O) / 6
  3. Calculating a range of estimates based on confidence: PERT plus or minus the “confidence-factor adjustor”
  4. Expected Monetary Value: Probability * Impact
  5. Point of Total Assumption: (Ceiling Price – Total Price) / Buyer’s share of over-runs + Seller Cost
  6. Channels of communication: N * (N – 1) / 2
  7. Duration: Effort / Percentage Availability
  8. Earned Value = 8 formulae, rounding out the 15 essentials:

    1. Cost Variance: EV – AC
    2. Cost Performance Index: EV / AC
    3. Schedule Variance: EV – PV
    4. Schedule Performance Index: EV / PV
    5. Estimate at completion: BAC / CPI
    6. Variance at completion: BAC – EAC
    7. Estimate to completion: EAC – AC
    8. To-Complete Performance Index: (BAC – EV) / (BAC – AC)

  • So, which formulae would you like to hear more about? It’s really not as painful (or boring) as it sounds!

    You are great! Gordon


    About Gordon Young

    Need 10's of millions? Start here. Keynote speaker, coach and instructor. I help companies tap into the creativity and energy of their teams resulting in profit, engagement and well-being.
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