​The Percentage of Data Values That Must Be Within One

question 107

Multiple Choice

​The percentage of data values that must be within one, two, and three standard deviations of the mean for data having a bell-shaped distribution can be determined using

• A) ​Chebyshev's theorem.
• B) The empirical rule.
• C) ​A five-number summary.
• D) ​Percentiles.

---

Definitions:

Harmless Pill

A placebo or inert medication designed to have no therapeutic effect, often used in clinical trials.

Active Drug

A substance with therapeutic effects that is used in the treatment or prevention of diseases or disorders.

Axon

The neuron’s extension that passes messages through its branching terminal fibers that form junctions with other neurons, muscles, or glands.

Neuron

A nerve cell; the basic building block of the nervous system.