We Are Interested in Testing Whether the Variance of a Population

question 27

Multiple Choice

We are interested in testing whether the variance of a population is significantly less than 1.44. The null hypothesis for this test is

• A) H₀: σ² < 1.44.
• B) H₀: s² ≥ 1.44.
• C) H₀: σ < 1.20.
• D) H₀: σ² ≥ 1.44.

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Definitions:

Primary Bronchus

The main passageway into the lungs, branching from the trachea to convey air into each lung.

Larynx

The voice box located in the throat, responsible for producing sound, protecting the trachea during swallowing, and regulating airflow.

Thyroid Cartilage

A large cartilage of the larynx that is more prominent in males and is often referred to as the Adam's apple.