2 answers:
Maria arrived at 8:30 It's can't be told that no one have arrived before her She registered the times between 8:30 to 9:30 . She hasn't registered the data of students who came before her . So it's not a representative sample
Answer:
Since she arrived at 8:30 its not accurate because her records started at the time she arrived so she didnt get the times of the students that arrived before her
Step-by-step explanation:
Hope this helps:))
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