Question

what do u mean by false base line?

Answer 1

it is a device relating to graphical presentation. the line is used to break continuity of Y-axis with the origin. A false base line is used when figures start with high values.

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Answer 2

False base line is the device based on graphical representation.  

Explanation:

When the figures are of higher values false base line are created on the graph. To manage and maintain the fluctuation of the numbers false base line are being used. It will economize the undesirable space on the X axis. Kinked line can be created in order to define false base line. After deriving false base line on the graph you can start your graph with actual figures.