The phrase "about the representativeness" is correct and usable in written English.
It can be used when discussing the quality or degree to which a sample or group accurately reflects a larger population or phenomenon.
Example: "The study's findings raise questions about the representativeness of the sample used in the research."
Alternatives: "regarding the representativeness" or "concerning the representativeness".
"There is concern about the representativeness of it," he said.
Others also expressed concerns about the representativeness of the government's sample.
The small-scale spatial variability of air pollution observed in urban areas has created concern about the representativeness of measurements used in exposure studies.
Thus, probable ambiguities about the representativeness of the sample could be eliminated.
About 75% of children are from food-insecure areas, so there is some concern about the representativeness of the sample.
In order to be able to say something about the representativeness of our sample, the sample should be compared to the total population.
However, little is known about phytolith taphonomy and the representativeness of phytolith assemblages and indices in lake sediments.
Moreover despite the representativeness about some major features as gender and age, other features in link with the physicians' volunteering to participate to this survey might influence the PCPs' practices.
We identified some concerns about selection bias and the representativeness of samples given that blogs and YouTube are, by their search term-based nature, more likely to attract viewers and posters with a vested interest in learning about or expressing particular views and opinions about any given topic.
When we aggregate the questionnaire responses, we also make assumptions about the respondents' representativeness.
1) My main concern is about the poor representativeness of the total variance of the observations by the two principal components used for the PCA (presented in Figure 4, Figure 5, Figure 6, and Figure 7).
