Students with inconsistent bedtime routines are less successful in school than their peers. what is most needed to strengthen this statement? facts and statistics, a personal anecdote, grammatical revisions, academic language

In order to strengthen the statement, the following is needed:

Facts and statistics.

Whenever one wants to make a point and somehow prove he or she is right, it is necessary to pinpoint facts that will strengthen one's statement or argument. Otherwise a statement is just a statement, that is, nothing but an opinion. Facts and statistics help a statement be solid and consistent. It can be said that they have the same role of proof or evidence in a trial.

i could of w this question but i don't see a " passage " .

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sorry ! ):

the words “strangest” and “unusual” suggest that the narrator is about to tell the story of an odd or puzzling group of people.