What Are the Critical Z-Values for a Two-Tailed Hypothesis Test

question 28

Multiple Choice

What are the critical z-values for a two-tailed hypothesis test if α = 0.01?

• A) ±1.96
• B) ±2.33
• C) ±2.58
• D) ±1.65

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Definitions:

Paranasal Sinuses

Air-filled spaces within the bones around the nasal cavity that help to warm, moisten, and filter the air we breathe.

Nasal Cavity

The interior space of the nose, involved in breathing and olfaction, lined with hairs and mucous membranes.

Thyroid Cartilage

Largest laryngeal cartilage. It forms the laryngeal prominence, or Adam’s apple.

Laryngeal Cartilages

The cartilaginous structures in the larynx (voice box) that provide support and protection, including the thyroid, cricoid, and arytenoid cartilages.