Forecasting total cost and duration of Product Backlog

Part 1:
Team velocity is 30 points*
Sprint length is two weeks**
How many Sprints will it take to complete Product Backlog?
Part 2:
What is the duration to complete?
Part 3:
What is the cost if a two week Sprint has a total resource rate of $30,000?
Product Backlog
Story
Size
As a … I want to…So that…..
3
8
2
5
8
5
2
2
12
3
3
2
8
8
5
8
20
20
5
20
20
Forecasting Total Cost and Duration of Product Backlog
* If team velocity is not know you can extrapolate it by conducting a pseudo Sprint Planning session
**Team predetermines Sprint length –for the sake of this example I have select to use a two week Sprint
Copyright © 2014 Russell Pannone. All rights reserved.

Part 1:
Team velocity is 30 points
Sprint length is two weeks
How many Sprints will it take to complete Product Backlog? Answer: 5 (based on Velocity of 30 points)
Part 2:
What is the timeline to complete?
Part 3:
Product Backlog
Story
Size
3
8
2
5
8
5
2
2
12
3
3
2
8
8
5
8
20
20
5
20
20
1
2
3
4
5

Part 1:
Part 2:
What is the duration to complete? Answer: 10 weeks (5 (Sprints) x 2 (weeks each Sprint) = 10)
Part 3:
Product Backlog
Story
Size
3
8
2
5
8
5
2
2
12
3
3
2
8
8
5
8
20
20
5
20
20

Part 1:
Part 2:
What is the duration to complete? Answer: 10 weeks (5 (Sprints) x 2 (weeks each Sprint) = 10)
Part 3:
What is the total cost if a two week Sprint has a total resource rate of $30,000? Answer: $300,000 ( 10 Sprints x $30,000 = $300,000.00)
Product Backlog
Story
Size
3
8
2
5
8
5
2
2
12
3
3
2
8
8
5
8
20
20
5
20
20
ForcastingTotal Cost and Duration of Product Backlog

Forecast based on calculations from previous slides =
•Duration to complete = 10 weeks
•Cost to complete = $300,000.00
Because of the relevance of the cone-of-uncertainty I would change forecast to:
Duration to complete = 14 weeks
Cost to complete = $360,000.00

Forecasting total cost and duration of Product Backlog

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