Step-by-step explanation:

55.25 °F
I believe this is right
The most suitable sentence correction for the underlined part would be:
<h3>What is sentence correction?</h3>
Sentence correction is a type of grammatical practice where a sentence is given with a word or a phrase that requires grammatical changes or improvement.
Now,
- In the given sentence, "It has long been known that the sea otters <u>living along the West Coast of North America help</u> keep kelp forests in their habitat healthy and vital",
- The most suitable sentence correction for the underlined part would be: NO CHANGE (option A).
To learn more about sentence correction, refer to the link: brainly.com/question/14632568
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The correct answer, or incorrect statement, is A. The mean is not affected by the existence of an outlier.