Suppose That a One-Tail T-Test Is Being Applied to Find

question 33

Multiple Choice

Suppose that a one-tail t-test is being applied to find out if the population mean is less than 100. The level of significance is 0.05 and 25 observations were sampled. The rejection region is:

• A) t > 1.708
• B) t < -1.711
• C) t > 1.318
• D) t < -1.316
• E) t < -1.542

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Definitions:

Cerebral Cortex

The intricate fabric of interconnected neural cells covering the cerebral hemispheres; the body’s ultimate control and information-processing center.

Reticular Formation

A complex network of nerve pathways within the brainstem, involved in controlling alertness and consciousness.

Brainstem

A region at the base of the brain that controls vital functions like breathing, heart rate, and blood pressure.

Amygdala

Two lima-bean–sized neural clusters in the limbic system; linked to emotion.