The phrase "are not fully representative" is correct and usable in written English.
It can be used when discussing data, samples, or groups that do not accurately reflect the larger population or context they are meant to represent.
Example: "The survey results are not fully representative of the entire community, as only a small portion of residents participated."
Alternatives: "do not accurately represent" or "are not entirely reflective".
Yet the films are not fully representative of life in Iran.
There are lots of other creative things to try: One criticism levelled against school councils is that they attract the most confident students and are not fully representative.
However, the clinical parameters traditionally considered are not fully representative of the patient's motor ability.
These studies under in vitro conditions are well suited to investigate basic phenomena related to fluid dynamics in vessels models but are not fully representative of actual patient hemodynamic conditions.
These technological advancements were made in controlled laboratory environments compliant with measurement standards (i.e. Code of Federal Regulation CFR in the USA) and are not fully representative of real-world emissions from these engines or vehicles.
Although they are not fully representative of the victim population, our study participants did provide meaningful evidence concerning the power of subjective well-being and neuroticism in the prediction of rumination, post-traumatic stress, and anxiety after a large scale disaster.
The report says publicly funded arts "are predominantly accessed by an unnecessarily narrow social, economic, ethnic and educated demographic that is not fully representative of the UK's population".
The 70% response rate may mean that the respondents were not fully representative of the population of GPs.
This study included lead experts in Radiology and expert CT radiographers, so is not fully representative of either professions, and may render the sample over-representative in nature.
The fact that the phantom is not fully representative of a human study suggests that calibration can be though as a "first order", camera-specific, compensation.
