Once We Have Used Character Data to Infer a Tree

question 7

Multiple Choice

Once we have used character data to infer a tree, how can we be certain this tree best represents our data?

• A) We cannot be certain.
• B) We can test the statistical confidence that certain features of the tree are correct.
• C) In most cases, we can ascertain whether our tree is correct with nearly 100% confidence.
• D) There are so many correct trees for a given data set that all options are equally good.

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Definitions:

Physical Energies

Physical energies refer to the various forms of kinetic and potential energy associated with the motion, position, or structure of physical objects.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the "just noticeable difference."

Auditory Convergence

A phenomenon in which sounds from different sources merge into a single perceived auditory event.

Refractory Threshold

The level of stimulus intensity or the period following a nerve impulse during which a nerve or muscle is unresponsive to further stimulation.