Mathematics: Applications and Interpretation · Topic 4: Statistics and probability

SL4.3 — Measures of central tendency and dispersion

Mathematics: Applications and Interpretation · SL / HL · syllabus-mapped notes

1. AISL4.3.1

   Mean, median and mode

   Central tendency for raw and grouped data, using mid-interval values and technology.

2. AISL4.3.2

   Dispersion: range, IQR, variance and standard deviation

   Measuring spread, with standard deviation and variance from the GDC.

3. AISL4.3.3

   Effect of constant changes on data

   How adding or multiplying by a constant changes the mean and standard deviation.