NECTA Form 1–4 (CSEE) · Form 2 · Basic Mathematics (Form 2) · Notes · Unit 8: Sets, Venn Diagrams and Descriptive Statistics

Unit 8: Sets, Venn Diagrams and Descriptive Statistics

Exhaustive NECTA CSEE Form 2 Basic Mathematics revision notes covering set theory and notation, set operations (union, intersection, difference, complement), De Morgan's Laws, two-set and three-set Venn diagrams with systematic region calculation algorithms, survey word problems, frequency distribution tables for discrete data, measures of central tendency (mean, median, mode), graphical presentations (pie charts, bar charts, line graphs), examiner pitfalls, and full NECTA practice problems with detailed marking schemes.