Cumulative Frequency Diagrams and Box and Whisker Plots: A Guide to Estimation and Visualization

The video tutorial covers cumulative frequency diagrams and box and whisker plots. It explains how to calculate cumulative frequencies, plot them, and use the diagrams to estimate medians and interquartile ranges. The tutorial also introduces box and whisker plots, detailing how they summarize data distribution visually.

What is the purpose of cumulative frequency diagrams?

How do you calculate cumulative frequency from grouped data?

Explain how to plot a cumulative frequency diagram.

What is the significance of the median in cumulative frequency diagrams?

Describe how to estimate the interquartile range using a cumulative frequency diagram.

What information can be derived from a box and whisker plot?

How do you interpret the values represented in a box and whisker plot?