Differences Bottom Top Estimating Approaches Conditions Would Prefer One Q34202937

What are the differences between bottom-up and top-downestimating approaches? Under what conditions would you prefer oneover the other?

Expert Answer

Answer – following are the differences between bottom up and topdown approach .

1) top down approach breaks the bigger problem into smallerproblems .while the bottom up approach solves the low level problemand includes them into bigger problem .

2) communication is not required in top down approach whilecommunication is of utmost importance in bottom up approach .

3) top down approach contains redundant information whileredundancy can be eliminated in bottom up approach .

I would choose top down approach because it is practical andeasy