The Relatively Rapid Appearance of Animal Phyla in the Cambrian

question 14

Short Answer

The relatively rapid appearance of animal phyla in the Cambrian period is correlated with a rise in ________ at the same time.

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Definitions:

Confidence Interval

A sweep of values, pulled from statistical evaluations of samples, likely to carry the value of a hidden population parameter.

Finite Population

A population set with a limited number of elements or members, making it possible to enumerate its elements.

Sample Size

The total count of individual pieces of data used in a statistical analysis, reflecting the amount of information included in the study.

Confidence Limits

The upper and lower bounds of a confidence interval, typically set around a sample statistic, defining the range within which the true population parameter is expected to lie with a specified level of confidence.