To collect data about the amont of time spent

asked Sep 2, 2023 138k views

13 votes

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9 votes

A or survey 20 randomly selected students from each grade.

Smartie answered Sep 3, 2023

6.3k points

5 votes

Answer:

Probably the first one because the other two questions would be un-reliable

Explanation:

Arthur Zhang answered Sep 8, 2023

5.7k points

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