A 95% Confidence Interval Can Be Used to Reject the Null

question 11

Multiple Choice

A 95% confidence interval can be used to reject the null hypothesis of a two-sided test at the 5% significance level if and only if

• A)a 95% confidence interval includes the hypothesized value of the parameter.
• B)a 95% confidence interval does not include the hypothesized value of the parameter.
• C)the null hypothesis is less than 0.05.
• D)the null hypotheses falls in the rejection region.

---

Definitions:

Delirium

A serious disturbance in mental abilities that results in confused thinking and reduced awareness of the environment.

Hysteria

An outdated psychiatric term once used to describe a symptom pattern characterized by emotional excitability and physical symptoms (e.g., convulsions, paralyses, numbness, loss of vision) without any organic cause.

Repression

A psychological defense mechanism involving the unconscious blocking of unacceptable thoughts, feelings, or impulses from conscious awareness.

Neurosis

A class of functional mental disorders involving chronic distress but neither delusions nor hallucinations.