In this intermediate lesson on cumulative frequency curves, the instructor explains how to plot a cumulative frequency curve from a frequency distribution. The lesson covers how to find the cumulative frequencies, write upper glass boundaries, plot the curve, and find the median, upper and lower quartiles, and inter-cortile range. With examples and clear explanations, this lesson is a great resource for those looking to deepen their understanding of frequency distributions and data analysis.
Intermediate screencast on plotting a cumulative frequency curve from the frequency distribution.