Time to used analogous estimating
You can use various estimating approaches to determine activity durations. When you have a limited amount of information available about your project, especially when in the early phases, the best approach to use is—
a. Bottom-up estimating
b. Analogous estimating
c. Reserve analysis
d. Parametric analysis
Answer: b. Analogous estimating
Analogous estimating
Although limitations exist with all estimating approach, analogous estimating is often used when there is a limited amount of information for the project. It uses historical information and expert judgment. [Planning]