The phrase "ambiguous population" is correct and usable in written English.
It can be used in contexts where the characteristics or definitions of a population are unclear or open to interpretation.
Example: "The study focused on an ambiguous population, making it difficult to draw definitive conclusions about the results."
Alternatives: "unclear demographic" or "vague group".
Although estrogen is usually regarded as a neuroprotective factor, the effects of estrogen on AD are still ambiguous in population studies.
These data consisted of 237 populations studied by Pemberton et al. (2013), excluding from a larger set of 267 the populations with unknown or ambiguous geographic assignments, populations with sample size ≤5, and populations from Micronesia and Samoa, for which Ashraf and Galor (2013) did not provide values of the economic variables.
Items that were identical to other items, not relevant to a general population, ambiguous or rarely endorsed in the studies reporting them were then excluded from the item pool.
In one additional case, the decision to break or join was ambiguous, because five populations each contained two LGs that together corresponded to single LGs in the other five populations.
However, we found a much reduced transmission frequency of the cop1-5 mutallelelele when compared to the COP1 wild-type allele, thus making the analysis of segregating populations ambiguous.
This paper exemplifies the characterization of the suboptimal health status (SHS) which represents a new public health problem in a population with ambiguous health complaints such as general weakness, unexplained medical syndrome and chronic fatigue.
The correct population is ambiguous; although official figures estimate at least 40,000 residents, it is estimated that there are at least 300,000 Urdu-speakers in all of Bangladesh, mostly residing in refugee camps in Dhaka.
pipiens complex population occasionally ambiguous.
Owing both to their considerable frequency in the infertile population and ambiguous clinical significance, partial AZFc deletions are the most intensely debated AZFc variants.
Nurses find themselves in the ambiguous situation where the population is reluctant to be referred because of numerous barriers like transport and costs involved, but where their reputation is also at stake.
