Probability Foundations
Sample spaces, conditional probability, Bayes' theorem and the building blocks of statistical inference.
Statistics 2 is the second course in the statistics sequence and focuses on the principles of statistical inference. Building on the descriptive methods from Statistics 1, the course introduces probability, sampling distributions, hypothesis testing and regression โ the tools used to draw conclusions and make predictions from data.
By the end of this course, students are expected to understand how data is summarised, how uncertainty is quantified, and how statistical evidence is built and reported.
Sample spaces, conditional probability, Bayes' theorem and the building blocks of statistical inference.
Discrete and continuous distributions โ Binomial, Poisson, Normal โ with expectation and variance.
Sampling distributions, the Central Limit Theorem, and point estimators with confidence intervals.
Z-tests, t-tests, chi-square tests, p-values, Type I and Type II errors, and significance.
Linear regression, residuals, Rยฒ, interpreting slope and intercept in real-world data.
Comparing multiple groups with ANOVA and applying rank-based methods when assumptions break.
Students completing this course will be able to frame a real-world question as a statistical problem, choose an appropriate test, run the analysis in software and communicate the result honestly.
Weekly problem sets, two mid-term tests, and a final data-analysis project where each student chooses a dataset and reports the findings in a short paper.
On the Data Insights page, I've collected a real dataset of 100 records, embedded the live spreadsheet and shared the observations I drew from it.
Open Data Insights