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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