Most distributions of human traits, from height and weight to aptitudes and personality characteristics, would form a normal curve if ______.
A) scientists had the resources to measure everything
B) our measurement instruments were more accurate
C) we measured everything using ratio scales
D) we gathered data from the entire population

Question

Quizplus · Accepted Answer

The normal curve, also known as the bell curve, is a mathematical concept that describes the distribution of a given set of traits or characteristics in a population. It assumes that the majority of people will score in the middle of the distribution, with fewer individuals scoring at the extremes. In order to accurately represent this distribution, data must be gathered from the entire population, not just a sample. Therefore, choice D is the best answer.

Most Distributions of Human Traits, from Height and Weight to Aptitudes