The phrase "a narrow population" is correct and usable in written English.
It can be used to describe a specific, limited group of individuals or entities within a larger context, often in research or demographic discussions.
Example: "The study focused on a narrow population of elderly individuals living in urban areas."
Alternatives: "a limited demographic" or "a specific group".
And he suggests that only a narrow population take the G.R.E.
Most research in the field of child development has been derived from a narrow population of children (mainly from North America and Europe) and may well not be easily generalizable beyond its original catchments (Benson, 2003; LeVine & New, 2008).
While this has meant that the findings are restricted to a narrow population base, the project's funding was derived from a study of the hazards posed by the Cotopaxi volcano.
Nevertheless, differences are observed in commercial practice, and the objective of this study is to determine which factors are most important in determining extract within a narrow population by use of statistical analysis.
An alternate approach is a two-stage design whereby an associated gene is found in a narrow population by a genome-wide screen and then evaluated in other populations.
Yet even under a narrow population bottleneck, fixation of such highly deleterious mutations is unlikely.
But liking things that appeal to a narrower population doesn't automatically make you more sophisticated.
As a consequence, by adopting the measured data of the friction [19] and using a narrower population of tests on the train (four braking tests over a population of 50), we identified a feasible behavior of the pad friction factor as a function of the traveling speed and the loading condition of the train (Fig. 13).
Unlike most other types of surveys which focus on the entire adult population, election polls are interested in a narrower population that is difficult to capture -- likely voters.
Unfortunately, election polls cannot rely on probability sampling because when it comes to election polls we are only interested in a narrower population -- likely voters.
That bill would apply to a narrower population of Dreamers: only those who entered before the age of 16 would be eligible. .
