Most standardized tests of intelligence have a distribution of scores that ________.

A) follows the normal curve
B) has a positive skew
C) has a negative skew
D) appears bimodal with two peaks of high frequency

Normal Curve

A special frequency polygon, shaped like a bell, in which the scores are symmetrically distributed around the mean, and the mean, median, and mode are all located on the same point on the curve, with scores decreasing as the curve extends from the mean.

Standardized Tests

Exams that are administered and scored in a consistent manner across different test-takers to measure their abilities or knowledge in various subjects.