The Test Statistic Used to Test Hypotheses About the Population

question 24

True/False

The test statistic used to test hypotheses about the population variance is given by χ² = (n − 1)s² / σ²,which is chi-squared distributed with n − 1 degrees of freedom when the population random variable is normally distributed with variance equal to σ².

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Definitions:

Behaviour

The actions or reactions of individuals or groups in response to external or internal stimuli.

Brain

The organ in the head of animals and humans, responsible for nerve function, thought, memory, and processing sensory information.

Conscious Rational Processes

involve deliberate and logical thinking or problem-solving activities that are under direct awareness.

Thoughts

Mental processes involving the organization and understanding of information, including beliefs, opinions, and intentions.