Full Year Statistics Midterm Topics 2013-2014 Midterm will include everything in Chapters 1-4, 6 that we have covered. Below is a list of topics that will help you study. Please note that there could be something missing. Chapter 1: How do we get good data? Experiment Individuals Variables—quantitative vs categorical Observational studies Sample surveys Census Sample Population Counts vs. percents Chapter 2: Sampling and Surveys Samples Populations Random digits table Biased samples Voluntary response Convenience sample Statistic Parameter Sample size n Population size N Variability Margin of error Confidence statement Sampling errors vs nonsampling errors Sampling frame SRS (Simple RS) Stratified RS Cluster RS Multistage RS Chapter 3: Experiments Subjects Explanatory variable Response variable Confounding Lurking variable Control group Placebo Placebo effect Double blind Randomized Comparative Experiment Statistically significant Matched Pairs Design Blocked Design Basic Data Ethics Institutional Review Board Informed Consent Confidential Chapter 4: Describing Distributions Bar graphs Pie charts Line graphs Stemplots Histograms Boxplot Five-number summary Shape of graphs: skewed left, skewed right, symmetric, uniform, unimodal, bimodal, multimodal Center: mean vs median Spread: IQR vs standard deviation Given a five-number summary calculating the boundaries for outliers Chapter 6 Scatterplots Correlation coefficient, r Giving the form, direction and strength of a scatterplot