estimation(GUESS)
Misestimations of this kind can occur.
The complexity of estimating these probabilities may lead to misestimation of risks.
Under-reporting of these crimes leads to a mis-estimation of their prevalence.
This can result in a significant mis-estimation of the resources needed.

SMART Vocabulary: related words and phrases

Guesses and assumptions
a shot in the darkidiom
approximation
assumption
bet
conjecturally
conjecture
counterfactual
estimate
misassumption
misestimate
overestimate
overestimation
preception
proposition
re-estimate
rough estimate
sneaking
speculation
speculatively
suspicion