Cumulative Frequency Diagram Median. 8 14 15 16 17 18 19 50. Learn more about bar graphs and histogram here in detail.
L is the lower class boundary of the group containing the median. Mark the cumulative frequency on the y axis. It looks like an upside down s.
When dealing with a cumulative frequency curve n is the cumulative frequency 25 in the above example.
Mark the cumulative frequency on the y axis. It looks like an upside down s. Find the upper and lower quartiles. B 2 7 9.
