Draw ‘less than ogive’ and ‘more than ogive’ for the following distribution and hence find its median.
Classes : 0-20 20-40, 40-60 60-80 80-100.
Frequencies : 10, 20 40 20 10
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How to Draw Less Than Ogive Curve?
Draw and mark the horizontal and vertical axes.
Take the cumulative frequencies along the y-axis (vertical axis) and the upper-class limits on the x-axis (horizontal axis).
Against each upper-class limit, plot the cumulative frequencies.
Connect the points with a continuous curve.
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