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45 min videoβ’september 25, 2019

Jerry Kosoff

We review the purpose of surveys/sampling, meet three "good" random sampling methods (simple random, cluster, and stratified samples), and discuss possible sources of bias in sampling/surveys (non-representative samples, response bias, and nonresponse)

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πUnit 1: Exploring One-Variable Data

βοΈUnit 2: Exploring Two-Variable Data

πUnit 3: Collecting Data

π²Unit 4: Probability, Random Variables, and Probability Distributions

πUnit 5: Sampling Distributions

βοΈUnit 6: Inference for Categorical Data: Proportions

πΌUnit 7: Inference for Qualitative Data: Means

β³οΈUnit 8: Inference for Categorical Data: Chi-Square

πUnit 9: Inference for Quantitative Data: Slopes