Which of the Following Measurements Likely Has a Normal Distribution

question 23

Multiple Choice

Which of the following measurements likely has a normal distribution, at least approximately?

• A)Weights of 10-year old boys.
• B)IQ scores of 12 graders.
• C)Nationwide scores on the SAT (Scholastic Achievement Test).
• D)All of the above.

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Definitions:

Stressed

A physical or psychological state resulting from circumstances that feel challenging or threatening.

Experiment

A method of research in the sciences or social sciences in which variables are manipulated to observe the effect on some behavior or mental process.

Stress

The body’s response to any demand or challenge, which can be physical, mental, or emotional, and influences the state of both mental and physical health.

Eating Habits

Patterns or behaviors surrounding how and what individuals consume, often influenced by cultural, familial, and personal factors.