State three null and alternative hypotheses for this study (test for Brand, Temp, and the Brand* Temp
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Create a main effects plot and interaction plot for Brand and Temp using the Popcorn data. Which Brand and which Temp appeared to do better? Even though the graph appears to show a difference between levels, only p- values can determine if differences are significant. In other words, p-values tell us how often we would expect effect sizes at least this large in a random sample if there really was no difference in Brand levels. State your conclusions for all three hypotheses.
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Related Book For
Practicing Statistics Guided Investigations For The Second Course
ISBN: 9780321586018
1st Edition
Authors: Shonda Kuiper, Jeff Sklar
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