A Researcher Wants to Select a Sample of 30 Participants

question 28

True/False

A researcher wants to select a sample of 30 participants from one of two populations.In Population A,the standard deviation is 12.In Population B,the standard deviation is 4.In this example,selecting a sample from Population A will produce the smallest standard error.

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Definitions:

Research Question

A clear, focused, concise, and answerable question that guides a study or research project.

Significantly Correlated

A statistical relationship between two variables where changes in one variable are reliably associated with changes in another variable, often verified through statistical tests.

Caffeine Consumed

The amount of caffeine intake in a given period; not a key term in a statistical or general scientific context, thus NO.

P < 0.05

A statistical significance level indicating that there is less than a 5% probability the observed results occurred by chance, suggesting a significant difference or effect.