Answer:
among the options given on the question the correct answer is option C.
Ask well-written question.
Explanation: Scientific poll is a method which use statistical information during the process of selecting participants. Before developing this method pollsters used survey randomly on people or focus on specific participants to intentionally skew results. But scientific poll has changed the concept.
However, demographic data which includes gender, race, age,income level , geographic location, religion, political affiliation are used by the scientific poll to get more accurate outcome on a broad population.
There are few steps to conduct a scientific poll.Among them the third step is to ask well written question.