Which Life Forms Were First Recognized in the Fossil Record

question 48

Multiple Choice

Which life forms were first recognized in the fossil record?

• A)dinosaurs
• B)trilobites
• C)sharks
• D)humanoids

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, representing how much the results might differ from the true population value.

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Confidence Interval

A breadth of numerical estimates, derived from samples, considered likely to embrace the unidentified value of a population parameter.

Confidence Interval

An estimated range of values calculated from a given set of sample data, indicating the reliability of a statistical estimate.