McGraw-Hill Online Learning Center Test

McGraw-Hill Online Learning Center Test


1. Review the image and answer the following questions.

What term or phrase best fits the empty block?

A. null hypothesis
B. hypothesis 6
C. theory
D. educated guess


2. Why is it necessary to conduct several experiments to confirm or refute hypothesis 5?

A. All scientists make errors, so many experiments are needed.
B. If many experiments confirm the hypothesis, then the hypothesis describes a true tenet of nature and can be used as a theory.
C. Each prediction from hypothesis 5 must be tested once.
D. The experiments are not separate experiments, but merely represent replication within one experiment.
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