Data classification and visualisation
Construct and interpret histograms and back-to-back stem plots.
Statistics · MA4-DAT-C-01
Sub-topics
Histograms and frequency polygons
Read and interpret histograms, identify the modal class, calculate an approximate mean from grouped data using class midpoints, and describe the shape of a distribution.
Back-to-back stem plots
Read and interpret back-to-back stem-and-leaf plots; find median, mode and range for each group; and compare two distributions using summary statistics.