A Sample of 50 Is Selected from a Known Population

question 66

Multiple Choice

A sample of 50 is selected from a known population of 250 elements. The population standard deviation is 15. Using the finite correction factor,what is the standard error of the sample means?

• A)2.89
• B)1.90
• C)2.12
• D)Cannot be determined

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Definitions:

Overt Observation

A research method where the subjects are aware that they are being observed, which can impact their behavior but also adheres to ethical transparency.

Participant Observation

A qualitative research method involving the researcher immersing themselves in a group or community to observe behaviors and interactions firsthand.

Researcher Reactivity

A phenomenon where the presence or behavior of the researcher influences the subjects' behavior, potentially biasing the study results.

Hawthorne Effect

A phenomenon where individuals alter their behavior due to their awareness of being observed as part of a study.