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If a research team increases the sample size for a study, the power of their statistical tests will:

a) stay the same,
b) decrease,
c) increase

User Amjad Khan
by
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1 Answer

4 votes

Answer: c) increase

Explanation:

  • A sample is a finite subset of the entire population on which research statistical test regarding his/ her objective .

As the sample size increases it comes closer to the population size, and so converge to a better result of researcher's analysis.

It means the size of the sample is proportional to the power of their statistical tests.

∴ As the size of the sample increases the power of statistical test increases.

Hence, If a research team increases the sample size for a study, the power of their statistical tests will increases.

Therefore , the correct answer is : c) increase

User Mudokonman
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