Statistics Were Gathered on the Number of Homicides Committed with Guns

question 21

Multiple Choice

Statistics were gathered on the number of homicides committed with guns in Australia in the years from 1980 to 2004.From these data the following graph was constructed. This plot is a graph of a(n) _____________,and it shows that there is/are ___________ in the data.

• A)categorical variable;skewness to the right
• B)histogram;multiple peaks
• C)line;an increasing trend
• D)quantitative variable;outlier values
• E)time series;a decreasing trend

---

Definitions:

ACh Antagonist

An ACh antagonist is a type of drug that blocks the action of acetylcholine, a neurotransmitter, at its receptor sites, affecting the nervous system's functions.

ACh Agonist

A substance that mimics the action of acetylcholine, a neurotransmitter, thereby stimulating the parasympathetic nervous system.

Curare

A poisonous compound that comes from certain plants, traditionally used on arrow tips in South America for hunting; it blocks nerve impulses to muscles, causing paralysis.

Serotonin Agonist

A type of drug that activates serotonin receptors in the brain, mimicking the effects of serotonin to increase its action in the nervous system.