Which of the following statistical concepts best describes the fact that people differ between one another in intelligence?

Question

Quizplus · Accepted Answer

Variance is a statistical concept that measures the spread or variability of a set of data. In the case of intelligence, people differ from one another and the variance measures the extent to which their scores deviate from the mean. The other choices (mean, median, correlation coefficient) do not specifically address individual differences in intelligence.

Which of the Following Statistical Concepts Best Describes the Fact