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Crazy boy [7]
3 years ago
9

Help me out really fast please

Mathematics
2 answers:
laiz [17]3 years ago
8 0

Answer: Use the same counter weight.

Step-by-step explanation: It should be the controlled variable whereas the ball would be the independent, and the distance the dependent.

Bumek [7]3 years ago
6 0

Answer:

it would be D.

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In this question the researcher has only one sample that is the specimen. that is the reference specimen that she obtained. Therefore it is a single sample design.

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