Exercises 1
Data basics, populations and samples, data types, measurement scales, and common chart ideas.
Open Exercises 1Quick self-study Kahoot links
Use these short self-study quizzes when you want one more quick revision round outside the exercise lists.
Back to the main pageData basics, populations and samples, data types, measurement scales, and common chart ideas.
Open Exercises 1R workflow, package loading, Excel import, descriptive summaries, boxplots, and variance basics.
Open Exercises 2Random variables, discrete versus continuous distributions, expected value, variance, and early R practice.
Open Exercises 3Hypothesis tests, one- and two-tailed decisions, Type I and II errors, and confidence intervals.
Open Exercises 5Paired comparisons, proportions, and hypothesis test decisions in short single-question rounds.
Open Exercises 6Chi-square tests, goodness-of-fit, independence questions, and normality checks.
Open Exercises 7Regression significance, residual logic, dummy variables, and interaction interpretation.
Open Exercises 9