Introduction to Statistics
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Solution Week 1 ·
Solution Week 2 ·
Solution Week 3 ·
Solution Week 4
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Solution Week 6 ·
Solution Week 7 ·
Solution Week 8 ·
Second Midterm
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Data set to accompany “Descriptive Statistics”
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Data set to accompany “Correlation”
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Models, Parameters, and Residuals: Regression Analysis
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Data set to accompany “Regression”:
Presidential Approval and Consumer Sentiment
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Expectations and Sampling Distributions
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Sampling Distributions and Random Assignment
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Confidence Intervals and Hypothesis Tests
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T-tests, Regression, and Matched Randomized
Designs
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Regression Tricks of the Trade: Interactions, Hypothesis
Testing, Prediction
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Multiple Regression Mechanics
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Perils of Multiple Regression
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Distinguishing Big and Small Problems
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Survey Error in the Dependent Variable
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The Importance of Importance, with Illustrations from
Campbell’s Forecasting Regression
· James Campbell’s 2004 Forecast
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Solutions to Review Problems
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Regression by hand (in Excel)
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