The State Insurance Commissioner Believes That the Mean Automobile Insurance

question 137

True/False

The state insurance commissioner believes that the mean automobile insurance claim filed in her state exceeds $1,700.To test this claim,the agency has selected a random sample of 20 claims and found a sample mean equal to $1,733 and a sample standard deviation equal to $400.They plan to conduct the test using a 0.05 significance level.Given this,the appropriate null and alternative hypotheses are
H₀ : ≤ $1,700
H_A : > $1,700

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Definitions:

Rational-emotive Therapy

A form of cognitive-behavioral therapy founded by Albert Ellis that aims to identify and change irrational beliefs and attitudes.

Stress Inoculation Training

A psychological therapy that helps individuals prepare for and manage stressful situations through practicing coping skills.

Thought Stopping

A cognitive-behavior modification intervention designed to help students control unproductive or self-defeating thoughts and images by suppressing or eliminating them through the use of a multistage process.

Turtle Technique

A cognitive-behavior modification intervention that combines elements of problem-solving training, self-instruction training, and relaxation training. It was developed as a way to help students who were emotionally disturbed to inhibit aggression or impulsive responding in social situations and to generate alternative responses. The turtle technique consists of three phases: (1) turtle response, (2) relaxation, and (3) problem solving.