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MMLU-Pro / 8011 / Which of the following is a true statement?

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Which of the following is a true statement?

category

math

options

  1. An experiment is always more reliable than an observational study, regardless of design.
  2. Cause-and-effect relationships can only be established through controlled experiments.
  3. Increasing the sample size in an observational study can completely eliminate bias.
  4. If properly designed, observational studies can establish cause-and-effect relationships just as strongly as properly designed experiments.
  5. While properly designed experiments can strongly suggest cause-and-effect relationships, a complete census is the only way of establishing such a relationship.
  6. Controlled experiments are often undertaken later to establish cause-and-effect relationships first suggested by observational studies.
  7. A census is the least accurate method of establishing cause-and-effect relationships.
  8. The sample size of an observational study has no impact on the potential bias.
  9. Observational studies can never suggest cause-and-effect relationships.
  10. A useful approach to overcome bias in observational studies is to increase the sample size.

src

ori_mmlu-high_school_statistics

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