The phrase "a representative cross-section of" is correct and usable in written English.
It can be used when referring to a sample or group that accurately reflects the characteristics of a larger population or category.
Example: "The survey included a representative cross-section of the community, ensuring that all demographics were considered in the research."
Alternatives: "a typical sample of" or "a diverse selection of".
The hour-long special debutes on Dec. 1 at 7 00 E.S.T. World AIDS Day -- and follows two other individuals, who combine to represent what producers consider a representative cross-section of American youth with the disease.
Its chapters present a representative cross-section of current research, lively debates, and new research initiatives.
But they are not otherwise a representative cross-section of their entire age cohort.
About 5,100 15-year-olds 15-year-olds 15-year-oldss a representatine croShanghaion of students in that city.
It exposes them to a representative cross-section of society, offering them a more grounded and realistic understanding of the world around them.
Established methods track the viewing habits of a representative cross-section of the TV-watching public via "people meters" running in conjunction with the TV set.
Below is my translation of a representative cross section of this new agitprop, taken from recent issues of the party daily, Rodong Sinmun, and some monthly magazines.
On the issue of the monarchy, the young men say that a Czar should be chosen democratically by a representative cross section of the Russian population, as was done in the struggle over the succession in 1613.
In order to discuss the observed effect concerning the formation of Fe-oxides, it is convenient to investigate the temperature profile across a representative cross section of the sample during current annealing.
If we consider the Grammy nominees in this year's Best Record category as a representative cross section of today's music, it is clear (as the sampling below shows) that aggressive compression is still the norm.
