Peter Sheldon Found That the Number of Tail "Ribs" in ____

question 45

Multiple Choice

Peter Sheldon found that the number of tail "ribs" in ____ changed over a 3 million year period with no evidence of speciation.

• A) horses
• B) trilobites
• C) insects
• D) humans
• E) ectoprocts

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Definitions:

Parameters

In statistics, parameters are numerical characteristics of a population, such as mean or standard deviation, that are typically unknown and estimated from sample data.

Statistics

The study of the collection, analysis, interpretation, presentation, and organization of data.

Hypotheses

Plural form of hypothesis, these are tentative explanations or predictions that can be tested through research and experimentation.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how much values differ from the mean.