Explain How to Draw a Conclusion for One- and Two-Tailed

question 25

Multiple Choice

Explain how to draw a conclusion for one- and two-tailed hypothesis tests. LO2: Compare and contrast the major types of hypothesis testing for one-sample tests
-Which of the following is true about one-tailed and two-tailed tests?

• A) For standard normal and t-distributions, which have a mean of zero, lower-tail critical values are negative and upper-tail critical values are positive.
• B) For an upper one-tailed test, if the test statistic is greater than the critical value, the decision would be to fail to reject the null hypothesis.
• C) For a lower one-tailed test, if the test statistic is less than the critical value, the decision would be to fail to reject the null hypothesis.
• D) For a two-tailed test, if the test statistic is either greater than the upper critical value or less than the lower critical value, the decision would be to fail to reject the null hypothesis.

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Definitions:

Somatic Symptom Disorders

A group of psychological disorders in which the person experiences physical symptoms that are not fully explained by a general medical condition, leading to significant distress and impairment.

Psychosomatic

Pertaining to physical symptoms that are caused or significantly influenced by emotional factors.

Generalized Anxiety Disorder

A mental health disorder characterized by persistent and excessive worry about various aspects of life, often imagining worst-case scenarios.

Apprehensive

Feeling anxious or fearful about the future or something in particular.