We learn how to find the modal class interval as well as the median class interval, that's the interval containing the median, in a grouped frequency table. The data here is continuous data (time).

******* TIME STAMPS / CHAPTERS *******
00:00 Introduction
00:50 Modal Class Interval
01:40 Median Class Interval, Class Interval with Median
01:44 Cumulative Frequency Column
03:01 Median’s Position Formula
06:39 Finding the Median Class Interval
07:35 Conclusion