When Computing a 95 Percent Confidence Interval for σ² with a Sample

question 8

Multiple Choice

When computing a 95 percent confidence interval for σ² with a sample of n = 30,we would use the following values of χ² in the calculations:

• A)45.7222 and 16.0471
• B)46.9792 and 16.7908
• C)42.5569 and 17.7083
• D)43.7729 and 18.4926

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Definitions:

Kleptomania

A psychiatric disorder characterized by an irresistible urge to steal items not needed for personal use or monetary value.

Bulimic

Pertaining to bulimia nervosa, an eating disorder characterized by episodes of binge eating followed by compensatory behaviors such as vomiting or excessive exercise.

Physical and Sexual Abuse

Harmful physical actions and sexual misconduct inflicted upon one individual by another.

Anorexics

Individuals who suffer from anorexia nervosa, an eating disorder characterized by an obsessive fear of gaining weight and severely restricted food intake.