A student conducted an experiment that used two rose plants to determine if a liquid formula for fertilizer was better than a
dry formula. He tested each fertilizer on a single plant for one month, and he concluded that the liquid formula was better.
When he described his conclusion to his teacher, she told him he needed to conduct additional trials. The teacher most
likely asked for additional trials because
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she did not believe the new formula helped plants grow better than the old formula.
it was necessary to see data from more plants before the conclusion could be accepted.
it was necessary to have tested the fertilizer on different kinds of plants.
she thought he should test additional fertilizer formulas on the same two plants.
Answers: 2
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A student conducted an experiment that used two rose plants to determine if a liquid formula for fer...
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