What Is a Null Hypothesis for a One-Tailed Sign Test

question 9

Multiple Choice

What is a null hypothesis for a one-tailed sign test?

• A)H₀: π = 0
• B)H₀: π ≥ 1.00
• C)H₀: π = 0.50
• D)H₀: π ≤ 0.50

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Definitions:

Norepinephrine

A neurotransmitter and hormone involved in the body's natural response to stress, increasing heart rate, blood pressure, and blood sugar levels.

Bronchi

The main passageways into the lungs, which branch from the trachea and further divide into smaller airways called bronchioles.

Oxygen

A chemical element with symbol O, critical for the survival of aerobic organisms as it is essential for energy production in respiration and is a component of water.

Hypothalamus

A region of the brain that regulates many bodily functions, including temperature, hunger, and thirst, as well as emotional and hormonal responses.