The Four Basic Units That Make Up the Geologic Time

question 59

True/False

The four basic units that make up the geologic time scale are the eon, the aria, the episode, and the period.

---

Definitions:

Chi-squared Distribution

A statistical distribution that describes the distribution of the sum of the squares of a set of variables that follow a normal distribution, commonly used in hypothesis testing.

Positively Skewed

A distribution shape where the tail is longer on the right side, indicating that the mean and median are greater than the mode.

Chi-squared Distribution

A probability distribution that describes the distribution of the sum of the squares of variables that are independently distributed according to a standard normal distribution.

Degrees of Freedom

The number of independent values or quantities that can vary in an analysis without violating any constraints.