Review ~ Data & Displays Chapters 1-6 Key Terms: –Data : Categorical versus Quantitative –Frequency Table/Contingency Table/Marginal Distribution/Conditional Distribution/Independence –Stem & Leaf Plot –Distribution: Center/Shape/Spread –Boxplots: 5 Number Summary/Median/IQR/ Outliers –Standard Deviation/Z-Scores/Normal Model/ Standard Normal Model/N(?,?)

Review ~ Linear Regression Chapters 7-10 Scatterplots ~ direction, form & scatter –Variables: explanatory & response –Correlation: r, r-squared, strength & direction. Z- score world versus slope. Linear Model ~ equation, interpretation, residuals Problems –Extrapolation, lurking variables –Outliers & influential points/leverage Re-Expression & Ladder of Powers

Review ~ Experimental Design Chapters Types of studies –Census, sample survey, experiment, observational Survey Types –Population, samples, SRS, stratified, cluster, systematic –Bias: voluntary, convenience, undercoverage, nonresponse, response Experiments –Retrospective, prospective, factors, experimental units, bias, confounding vs. lurking, placebo, blinding, blocking, matched pairs, causation

Review ~ Probability Chapters Random & long-run –Trial, outcome, sample space Law of Large Numbers Probability Rules –Complement, Addition Rule, Multiplication Rule, Disjoint, Independent, Conditional Random Variables –Expected Value, Standard Deviation, Operations (Add/Subtract means & S. D.)

CLT ~ Conditions & interpretation –Normal Model –Proportions Statistical Inference ~ Proportions –Confidence Intervals Conditions/Calculations/Interpretations –Hypothesis Tests Hypothesis/Conditions/Calculations/Interpretations Review ~ Central Limit Theorem Chapters 17-22

Test Tips Multiple Choice –Underline key words in the question –Eliminate answers –Draw Pictures –Guess only if you can eliminate some choices Free Response –Answer the question as asked in context (underline) –Don’t Panic ~ 1 question won’t kill you. –Answer the easier questions first –Leave enough time for the IT! –Draw Pictures –Use statistical language correctly –Decimal Places (2 for z-score, 4 for p-value)