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Representative samples are designed to reflect characteristics or qualities present in the population and are important for accurate research. Representative samples are designed to reflect characteristics or qualities present in the population and are important for accurate research.
Making the world better, one answer at a time. A conservative design is a design within which the designer pays more attention to the loads and other predictable problems and hence he/she takes more preventive decisions just like to take a bigger design factor of safety (F.S.).he design is impractical. Note that the summit of each hill on the roller coaster is the same height, so the PE of the car at the top of each hill would be the same.