i) Measures of central tendency are averages that describe the way in which a group of data cluster around a central value. Measures of dispersion give some idea of the amount of spread or scatter (about its average) that occurs in a given group of data. (2 marks)

ii) Examples of measures of central tendency: Mean, Median, and Mode. (1 mark)

iii) Examples of measures of dispersion: Mean deviation, Variance, Standard Deviation, Range, Coefficient of variation, Quartiles, Quartile deviation, etc. (1 mark)