A Random Sample of Size 15 Is Selected from a Normal

question 58

Multiple Choice

A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10 significance level. For what values of t will the null hypothesis not be rejected?

• A)To the left of −1.282 or to the right of 1.282
• B)To the left of −1.345 or to the right of 1.345
• C)Between −1.761 and 1.761
• D)To the left of −1.645 or to the right of 1.645

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Definitions:

Axis II

A classification within the Diagnostic and Statistical Manual of Mental Disorders (DSM) that deals with personality disorders and mental retardation.

Adjustment Disorder

A type of mental disorder resulting from maladaptive reactions to identifiable stressors, characterized by emotional and behavioral symptoms.

DSM Classification System

The Diagnostic and Statistical Manual of Mental Disorders classification system used by healthcare professionals to diagnose and classify mental disorders.

Etiology

The study or investigation of the causes or origins of a disease or condition.