Which one of the following statements is not correct?
a. A hypothesis must be testable.
b. A hypothesis must have explanatory power.
c. A hypothesis must be consistent with the existing body of knowledge.
d. A hypothesis must be based on a well-established theory.
Question 2
A null hypothesis is a
a. statistical term for hypotheses that the data fail to confirm.
b. statistical hypothesis that says no relationship exists between the variables under investigation.
c. research hypothesis that has been rejected by research findings.
d. research hypothesis that states no relationship exists between the variables under investigation.
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