Examlex
A sample of 20 items from a population with an unknown σ is selected in order to develop an interval estimate of μ. Which of the following is not necessary?
Importance
The degree of significance or value assigned to something, indicating its worth or priority in a particular context.
Behavioural Approaches
Psychological methods that focus on changing observable behaviors through techniques like conditioning and reinforcement.
Techniques
Methods or approaches employed in various fields to achieve specific outcomes or to solve problems.
Therapy
A treatment intended to heal or relieve a disorder, typically involving psychological techniques; can refer to a wide variety of interventions in mental health.
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