Age Categories,such as 20-29,or Cost Categories,such as $2 to Under

question 180

True/False

Age categories,such as 20-29,or cost categories,such as $2 to under $4,provide exact values of the mean and variance.

---

Definitions:

Drug Treatment

The use of pharmaceutical substances to manage or cure diseases and medical conditions, or to alleviate their symptoms.

Psychostimulant

A substance that elevates levels of nervous activity in the body, commonly used to improve mental alertness and reduce fatigue.

Antipsychotic

A class of drugs used to manage psychosis, particularly in disorders like schizophrenia, and to treat or prevent bipolar disorder.

Sedative

A substance that induces sedation by reducing irritability or excitement, commonly used to promote calmness and reduce anxiety.