MSTA112 Medical Biostatistics
Interactive pre-labs
Visual, hands-on modules for students to explore the statistical idea before the lab. Each one is built around clinical reasoning, not button-clicking.
Anas H. Alzahrani, MD PhD MPHDepartment of Preventive Medicine and Public HealthFaculty of Medicine, King Abdulaziz University
📊 Descriptive Statistics
Center, spread, outliers, summaries, and when each statistic lies to you.
Start module →🎲 Probability & Distributions
Probability foundations and distribution thinking for clinical data.
Start module →🔬 Hypothesis Testing
Nulls, alternatives, p-values, and the logic of statistical testing.
Start module →📐 Statistical Inference
Confidence intervals, estimates, uncertainty, and interpretation.
Start module →⚡ Sample Size & Power
Effect size, alpha, beta, power, and why underpowered studies waste everyone’s time.
Start module →❌ Type I & II Errors
False positives, false negatives, power tradeoffs, and decision consequences.
Start module →🕵️ Clinical Detective
Diagnostic reasoning, probability revision, and clinical interpretation.
Start module →🧪 Choosing a Statistical Test
A guided decision aid for matching research questions, variables, and designs to tests.
Start module →