STA 121

Statistical Inference I. Practice lessons for STA 121 Statistical Inference I at Adeleke University. These are study notes, not past examination papers.

• Sampling foundations and simple random sampling2 lessons · 8 practice questions
• Stratified and cluster sampling2 lessons · 9 practice questions
• Systematic and multistage sampling2 lessons · 9 practice questions
• Quota and purposive sampling2 lessons · 8 practice questions
• Hypotheses, errors and decisions2 lessons · 10 practice questions
• One-sample tests for a population mean2 lessons · 9 practice questions
• Tests comparing two population means2 lessons · 8 practice questions
• Tests for one and two proportions2 lessons · 9 practice questions
• Point estimation and properties of estimators2 lessons · 7 practice questions
• Confidence intervals for means and proportions2 lessons · 11 practice questions
• Sample size and precision planning2 lessons · 10 practice questions