15.1 Interpreting and drawing frequency polygons

Objectives: 

By the end of this lesson, we will be able to:

  • draw and interpret frequency polygons for discrete and continuous data.
  • create frequency polygons accurately by plotting the midpoints of the intervals on the x-axis and the frequencies on the y-axis.

Video Lectures:

PowerPoint presentation:

CW: Worked example 15.1 in p. 319 in LB

Exercise 15.1 in p. 320, 321 in LB

CW answers:

HW: Exercise 15.1 in p. 184 in WB "No. 1, 2, 3"