Researchers Study How the Global Warming Affects the Sea Level

question 26

Multiple Choice

Researchers study how the global warming affects the sea level. They wonder whether the mean of yearly differences of the sea level has increased from 4.4 mm using the level of significance α = 0.05. What does the level of significance mean in the context of the study?

• A) The probability of a decision that the mean of differences would be less than 4.4 mm, when in fact the mean is still 4.4 mm.
• B) The probability of a decision that the mean of differences would stay the same, when in fact it would increase.
• C) The probability of a decision that the mean of differences would be greater than 4.4 mm, no matter whether it would increase in fact or not.
• D) The probability of a decision that the mean of differences would stay the same, no matter whether it would increase in fact or not.
• E) The probability of a decision that the mean of differences would be greater than 4.4 mm, when in fact it is still the same.

---

Definitions:

Pedal Pulse

The pulse felt at the top of the foot, used to assess circulation to the lower extremities.

Surgical Procedure

An operative manual and instrumental technique performed for various purposes, such as to repair damages, diagnose issues, or restore function in the body.

IV Fluids

Liquids given through a vein to provide hydration, nutrients, or medication to patients.

Rhonchi

Low-pitched, rattling lung sounds that suggest blocked airflow, often heard in cases of chronic mucus production.