The control in an experiment
A) makes the experiment valid.
B) is an additional replicate for statistical purposes.
C) reduces the experimental errors.
D) minimizes experimental inaccuracy.
E) is identical to the experimental group, but eliminates the characteristic or treatment being tested.
Correct Answer:
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Q61: Which represents the highest degree of certainty?
A)hypothesis
B)variable
C)assumption
D)theory
E)prediction
Q65: A hypothesis is
A)a statement of fact.
B)often expressed
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A)more hypotheses may
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A)supported the
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