ECON 203 1st Edition Lecture 16Outline of Last LectureI. ANOVA1. Two or More Populations2. Grand Mean3. SSEA. What does it ask?4. Practice ProblemA. Page 785. TailsOutline of Current LectureI. Inference Review Questions1. Z-test for Population ProportionA. Look for the Following Phrases2. F-test for Difference in VariancesA. Look for the Following Phrases3. Paired Sample t-test for Mean DifferenceA. Look for the Following Phrases4. F-test for Difference in MeansA. Look for the Following PhrasesCurrent LectureI. Inference Review Questions1. Z- test for population proportionA. Look for the Following Phrases- “In a random sample of…”- “X out of Y people say that…”- “X% of voters believe…”2. F test for difference in variancesA. Look for Following Phrases- “Variation” = X²- “bigger in males than females…” = two populations of samplesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.3. Paired Sample t-test for mean differenceA. Look for the Following Phrases- “A random sample of 2 plants is drawn”- “Before and After” problem from the same source…usually stated as a“plant” “company” or “factory”- Change in means- Something has “improved”- Depending on which sample is larger, it can be a lower or upper tailed test4. F Test for Difference in MeansA. Look for the Following Phrases- More than 2 populations being
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