Examlex
It is possible to construct a confidence interval estimate of the population mean if the population variance is unknown.
Needs
Basic requirements for human survival and well-being, such as food, water, protection, and love.
Internal Source
Information or motivation originating within oneself, as opposed to external factors or influences.
Frustration
A feeling of dissatisfaction, often accompanied by anxiety or depression, resulting from unmet needs or unresolved problems.
Homosexuality
A sexual orientation characterized by romantic or sexual attraction towards individuals of the same sex.
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