The distribution of IQ scores:

Correct answer: A. is approximately normal or bell-shaped.

  • A. is approximately normal or bell-shaped.
  • B. shows that most people score between 80 and 100.
  • C. reveals a difference in the average for men and women.
  • D. falls of abruptly above 100.

Explanation

IQ scores are deliberately distributed to approximate a normal, bell-shaped curve around an average of 100. Most scores cluster around the mean, especially roughly between 85 and 115, not specifically between 80 and 100.

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