Data analysis is a powerful aid to gaining useful knowledge and it can help an investigator rescue even poorly conceived research.
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Q15: Hypothesis testing of a difference between means
Q16: The purpose of editing is to identify
Q17: Omissions refer simply to the errors resulting
Q18: Frequency distributions, though sometimes unwieldy, do provide
Q19: A researcher who uses a frequency distribution
Q21: If a researcher's objective is to analyze
Q22: The process that is used to make
Q23: When cross-tabulating data, the objective of the
Q24: Coding for closed-ended questions is much more
Q25: Analysis of association between two nominally scaled
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