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Relative Sizing Exercise

Size and Forecast

  • Compare the 2 new buildings and size them
  • Add them to our total amount of points
  • How many iterations to climb to the top of the all of the buildings?

Options

Having never completed an exercise like this, we have some unknowns to consider. For example, we are not sure how physically fit we are or what types of obstacles we might need to negotiate in the stairwells.

  • We could take the time to count every floor of every building and then estimate how long it might take us to go up the counted flights of stairs despite not knowing our fitness or the state of the stairwells.

or

  • We can classify the buildings into "effort classes" using an arbitrary classification number

Compare and Classify

  • Assign an effort value to one of the buildings
  • Compare that effort to the relative size of the others
  • Assign estimations to the other 3 buildings

Note that these points are simply relative markers to help us compare. The numbers do not relate to a specific unit of size or time—they are just classification markers.

2

5

8

13

The Stair Climber

Velocity

Lets assume an iteration of 10 minutes and see how far we can climb.

How may points are we doing in one iteration?

Let’s say we have four buildings. Three of them are modern, while the other is older and somewhat decrepit. They are all different sizes. We are asked to estimate how long it will take us in total to walk to the top floor of all the buildings using the stairs

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