Exam 16: Fundamentals of Data Analysis

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The t-test is more sensitive to violations of equal the equal-variance assumption.

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Use intuition and common sense to revise erroneous a.1 b.2 c.3 d.4 e.1, 2, or 3

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Scale transformation involves the manipulation of scale values to ensure compatibility with other scales

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When cross-tabulating data, the objective of the researcher is to learn how the response variable varies from subgroup to subgroup.

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Frequency distributions, though sometimes unwieldy, do provide more information than does the sample mean.

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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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A researcher made the following claim: "The correlation between the weight of a car and its mileage is 45." Without additional information, it is impossible to say whether this claim is true.

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Multivariate analysis can be used to group variables or people or to understand the relationship between variables.

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