What Significant Event Occurred During the Cambrian Explosion in Earth's

question 49

Multiple Choice

What significant event occurred during the Cambrian explosion in Earth's history?

• A) life first appeared
• B) eukaryotes first appeared
• C) plants first appeared
• D) multicellular animals first appeared

---

Definitions:

P-bar Formula

A statistical technique used in quality control to determine the proportion of defective items in a batch or process.

Quality Metrics

Quantitative measures used to gauge the quality of products, processes, or services, against defined standards.

3-sigma Range Chart

A statistical chart used in quality control that illustrates the variation of a process within three standard deviations (3-sigma) from the mean, identifying outliers.

Average Range

In statistics, it is the mean difference between the largest and smallest values in a set of data, used as a measure of statistical dispersion.