PRE: Summarising and Visualising Data


This lesson is a prerequisite for the course. While you won’t be directly tested on its content in the exam, it’s assumed you’ve gained this knowledge or skill during your university studies. We strongly recommend reviewing this lesson, as its content may be essential for understanding subsequent parts of the curriculum.

Terms covered: Population, Population mean, Population parameter, Population variance, Sample, Sample mean, Sample variance, Frequency distribution, Frequency polygon, Relative cumulative frequency distribution, Histogram, Bar chart, Line chart, Contingency table, Heat map, Tree map, Confusion matrix, Scatter plot