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Researchers randomly divide participants into groups. Each group takes a different amount of omega-3fatty acid...

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Researchers randomly divide participants into groups. Each group takes a different amount of omega-3fatty acid supplements daily for a month. One group receives a placebo. The researchers measure theimpact on cholesterol levels in the blood.What is the purpose of random assignment in this experiment?To ensure that all people with high cholesterol have an equal chance of being selected for the studyTo produce treatment groups with similar characteristicsTo increase the accuracy of the research results and prevent skewness in the data

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