Cumulative Frequency Diagrams and Box & Whisker Plots

The video tutorial covers cumulative frequency diagrams and box and whisker plots. It explains how to calculate cumulative frequencies, plot cumulative frequency diagrams, and use them to estimate the median and interquartile range. The tutorial also introduces box and whisker plots, highlighting their use in summarizing data distribution. Key concepts include understanding cumulative frequency, plotting techniques, and interpreting data through visual summaries.

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 plotting cumulative frequency at the end of each interval?

How can you estimate the median from a cumulative frequency diagram?

Describe the process of finding the interquartile range using a cumulative frequency diagram.

What information does a box and whisker plot provide about a data set?