When Data Is Collected Using a Qualitative, Nominal Variable, What

question 51

Multiple Choice

When data is collected using a qualitative, nominal variable, what is true about a frequency distribution that summarizes the data?

• A)The upper and lower class limits must be calculated.
• B)A pie chart can be used to summarize the data.
• C)The number of classes is equal to the number of variable's values plus 2.
• D)The "5 to the k rule" can be applieD.

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Definitions:

Hallucinogenic

Substances that cause altered states of perception, thought, and feeling, leading to hallucinations.

Cocaine

A powerful stimulant drug derived from the leaves of the coca plant, often used recreationally for its effects on energy and mood.

Dopamine

A neurotransmitter involved in controlling the brain's reward and pleasure centers, as well as regulating movement and emotional responses.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, affecting attention, responses to stress, heart rate, and blood pressure.