Doctors Hypothesize That Smoking Cigarettes Inflames the Bronchial Tubes and So

question 54

Multiple Choice

Doctors hypothesize that smoking cigarettes inflames the bronchial tubes and so makes it harder to breathe. To test this they measured the lung capacity (in liters) and the number of cigarettes smoked in a typical day for a sample of adults. Is the scatterplot below consistent with the researcher's hypothesis?

• A)No, it contradicts this hypothesis.
• B)There is no evidence in support or contradiction of the hypothesis.
• C)Yes, it is consistent.

---

Definitions:

Major Resonance Structures

The resonance structures that contribute more significantly to the hybrid of a molecule due to their lower energy and higher stability.

Sigma Complex

An intermediate stage in certain chemical reactions characterized by a complex in which the central metal atom is bonded to ligands through sigma bonds.

HNO3

Nitric acid, a highly corrosive and toxic strong mineral acid used in the production of fertilizers, explosives, and in the pickling of metals.

P-nitroanisole

An organic compound consisting of an anisole group where a nitro group is attached to the para position of the anisole ring.