Bats Use Echoes of Their Own Voices to Judge Distances

question 230

Multiple Choice

Bats use echoes of their own voices to judge distances.This is known as echolocation, or

• A)biosonar.
• B)dysosmia.
• C)agnosia.
• D)kinesis.

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Definitions:

z

In statistics, often refers to a z-score, which measures the number of standard deviations a data point is from the mean of a distribution.

Standard Normal Random Variable

A random variable with a mean of zero and a standard deviation of one, following a normal distribution.

Probability

A numeric scale between 0 and 1 that quantifies how likely an event is to take place.

z

In statistics, 'z' typically refers to a z-score, a measure of how many standard deviations an element is from the mean.