The Sample Size Needed to Estimate a Population Mean to Within

question 31

Multiple Choice

The sample size needed to estimate a population mean to within 10 units was found to be 68.If the population standard deviation was 50,then the confidence level used was:

• A)99%
• B)95%
• C)90%
• D)None of these choices.

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Definitions:

Psychoneuroimmunological

Related to the study of how psychological processes, the nervous system, and the immune system interact to affect health.

Sensory Adaptation

The process by which sensory receptor cells become less sensitive to constant stimuli over time, allowing organisms to focus on changes in their environment.

Sensory Inhibition

The neurological process by which the brain tunes out repetitive, irrelevant stimuli while remaining sensitive to others.

Reaction Formation

A defense mechanism where an individual behaves in a way that is opposite to their own uncomfortable or unacceptable thoughts or feelings.