Respuesta :
The sentence is best placed before sentence 1 to introduce the topic
to the audience.
The correct option is (E) A recent study by researchers from Korea and the United States examined the accuracy of a number of different fitness trackers that are commonly used to measure sleep patterns.
What is a sentence?
A sentence is a set of words that is complete in itself, typically containing a subject and predicate, conveying a statement, question, exclamation, or command, and consisting of a main clause and sometimes one or more subordinate clauses.
For more information about the sentence, refer to the link;
https://brainly.com/question/696177
The sentence that would best introduce the topic to the audience and help set up the main argument of the passage is "A recent study by researchers from Korea and the United States examined the accuracy of a number of different fitness trackers that are commonly used to measure sleep patterns."
What is a sentence?
A sentence is a group of words that convey some meaning and is complete in itself. It is a basic unit of language.
The beginning sentence of any communication or passage should be capable to give the audience an overview of the main points and argument of the passage.
Sentence E introduces the topic to the audience and the main argument of the same. The audience will be able to infer that the passage is based on the accuracy of fitness trackers.
Therefore the correct option is E.
Learn more about sentences here:
https://brainly.com/question/16890064