Q. 105.0( 2 Votes )
From the following data, draw the two types of cumulative frequency curves and determine the median.
(i) The frequency distribution table for ‘less than’ type is:
(ii) The frequency distribution table for ‘more than’ type is:
Plotting points for ‘less - than ogive’ and ‘more - than ogive’ on the graph,
In this type of graph where ‘less than ogive’ and more than ogive’ are plotted in the same graph, median is found on x - axis by the intersection of these two ogives.
Here, median = 166
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