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mariarad [96]
3 years ago
12

What is echolocation used for in whales and dolphins?

Biology
2 answers:
ValentinkaMS [17]3 years ago
8 0

Answer:

Communicate and to navigate.

Explanation:

Echolocation. Toothed whales (including dolphins) have developed a remarkable sensory ability used for locating food and for navigation underwater called echolocation. Toothed whales produce a variety of sounds by moving air between air-spaces or sinuses in the head.

shutvik [7]3 years ago
4 0
Echolocation allows dolphins to “see" by interpreting the echoes of sound waves that bounce off of objects near them in the water. To echolocate objects nearby, dolphins produce high-frequency clicks.
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Your question is lacking the necessary answer options, so I will be adding them here:

A. standard deviation.

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So, given your question, the statistical measure which is most helpful for indicating the extent to  which high school grades predict college grades is: D. correlation coefficient.

A statistical measure can be defined as a numerical measurement of each value of a quantitative variable in a given population. Some of the commonly used statistical measure in science include the following;

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Hence, correlation coefficient is a statistical measure which is most helpful for indicating the extent to  which high school grades predict college grades because it would determine the strength of the relationship between them.

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