The following table summarizes the sample mean earnings, in thousands of dollars, of a random sample of
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The following table summarizes the sample mean earnings, in thousands of dollars, of a random sample of year-round, full-time workers by gender and age.
(a) Construct an interaction plot for the data.
(b) Does the interaction plot indicate a significant interaction effect? Explain?
(c) What, if anything, can you conclude about the significance of the main effects?
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Related Book For
Statistics Informed Decisions Using Data
ISBN: 9780321757272
4th Edition
Authors: Michael Sullivan III
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