Which of the following are purposes of statistical analysis?
a. Prove the research hypothesis to be true.
b. Examine the numerical data gathered in a study. Provide insight into the meaning of the data.
c. Determine correct protocols for clinical research.
d. Prove the validity of a nursing theory.
ANS: B
Statistical analysis both examines numerical data and provides insight into its meaning.
Data analysis cannot prove the research hypothesis to be true; it can support the hypothesis.
Statistical analysis does not determine which protocols are best for a research study.
Statistical analysis cannot prove the validity of a nursing theory; it can provide support for the theory.
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