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lesantik [10]
3 years ago
14

HELP PLEASE ASAP !!! ON THE LAST QUESTION NEED IT AS SOON AS POSSIBLE !! 10 points

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
6 0
First blank: not random    Because he sent it to the top 5 students. Not random students throughout the grade.

second blank: I would guess not valid because it was not a random sample.
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