Lessons

L1 Statistical Studies 1A  · 50 min L2 Analyzing Categorical Data 1B L4 Describing Quantitative Data 1C L5 Measuring Variability 1D L6 Comparing Quantitative Data 1E L7 Location in a Distribution 1D L8 Linear Transformations of Quantitative Data 1D L9 Simple Random Sample 1G L10 Stratified Random Samples 1G L11 Cluster and Systematic Samples 1G L12 Potential Problems with Sampling 1G L13 Observational Studies and Experiments 1F L14 Designing Experiments 1H L15 Selecting an Experimental Design 1H L16 Inference and Experiments 1H L17 Scope of Inference 1F L65 The Investigative Question 1A

L3 Representing Categorical Data 2A L18 Introducing Probability 2B L19 Simulation 2B L20 Rules for Probability 2C L21 The Addition Rule 2C L22 Conditional Probability and Independence 2D L23 Tree Diagrams 2D L24 Discrete Random Variables 2E L25 Continuous Random Variables 2G L26 Normal Distributions and the Empirical Rule 2G L27 Normal Distribution Calculations 2G L28 Combining Random Variables 2E L29 Introduction to the Binomial Distribution 2F L30 Parameters for Binomial Distributions 2F L31 Conditions for Inference 2F L32 Sampling Distributions 2H L33 Bias and Variability 2H

L34 Sample Proportions 3A L35 Differences in Sample Proportions 3E L39 Interpreting a Confidence Interval 3B L40 Interpreting a Confidence Level 3B L41 Constructing a Confidence Interval for a Proportion 3B L42 Confidence Intervals for a Proportion (5C method) 3B L43 Confidence Intervals for a Difference in Proportions 3F L44 Introduction to Hypothesis Tests 3C L45 Conditions and p-value 3C L46 Hypothesis Tests for a Proportion (5C method) 3C L47 Introduction to Hypothesis Tests for a Difference in Proportions 3G L48 Hypothesis Tests for a Difference in Proportions 3G L49 Type I and Type II Errors 3D L50 Power of a Test 3D L51 Introduction to Chi-Square 3H L52 Chi-Square Test for Homogeneity 3H L53 Chi-Square Test for Independence 3H

L36 Sample Means 4A L37 The Central Limit Theorem 4A L38 Differences in Sample Means 4D L54 Introduction to the t-distribution 4B L55 Constructing a Confidence Interval for a Mean 4B L56 Confidence Intervals for a Mean (5C method) 4B L57 Confidence Intervals for a Difference in Means 4E L58 Confidence Intervals for a Mean Difference (paired) 4B L59 Introduction to Hypothesis Tests for a Mean 4C L60 Hypothesis Tests for a Mean (5C method) 4C L61 Introduction to Hypothesis Tests for a Difference in Means 4F L62 Hypothesis Tests for a Difference in Means 4F L63 Hypothesis Tests for a Mean Difference (paired) 4C L64 Choosing the Correct Inference Procedure —

L66 Scatterplots 5A L67 Correlation 5A L68 Making Predictions 5B L69 Residual Plots 5B L70 Coefficient of Determination 5B