Question

Select the correct text in the passage.
Which phrase indicates a limit to the scientific accuracy of the experiment?

For the study of a particular drug, Marcus proposes an experiment with a particular population. Approximately 200,000 people in the United States take this drug. He started out with a sample size of 300 people. First, he conducts research on the medical history of the people in his study. He collects the information using reliable sources. He decides to repeat the experiment using a larger sample size.

Answer 1

The phrase that indicates a limit to the scientific accuracy of the experiment is to repeat the experiment using a larger sample size.

What is Scientific accuracy?

Scientific accuracy may be defined as the correctness of a single measurement that should be accomplished by scientists during their practical experiments.

The complete question is as follows:

• the sample size of 300 people.
• research on the medical history
• collects the information using reliable sources
• repeat the experiment using a larger sample size.

The sample size will always play an active role in research. It also has a big impact on the accuracy of a scientific study. A larger sample size gives the most accurate results as compared to small sample size.

Therefore, the correct option is D.

To learn more about Scientific accuracy, refer to the link:

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