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The following distribution gives the daily Income of 60 workers of
a factory
Daily income 250-300 300-350 350-400 400-450 450-500
(in Rupees)
Number of
workers
14
16
10
8
12
Draw a less than type ogive for the above data.
Answers
Given : daily Income of 60 workers of a factory
To find : Draw a less than type ogive
Solution:
250 - 300 14 Less than 300 14
300 - 350 16 Less than 350 14 + 16 = 30
350 - 400 10 Less than 400 30 + 10 = 40
400 - 450 8 Less than 450 40 + 8 = 48
450 - 500 12 Less than 500 48 + 12 = 60
Less than ogive
The points with the upper limits of the class are plotted on x axis and the corresponding less than cumulative frequencies on y axis.
The points are joined by free hand smooth curve to give less than cumulative frequency curve or the less than Ogive
More than ogive
The points with the Lower limits of the class are plotted on x axis and the corresponding more than cumulative frequencies on y axis.
The points are joined by free hand smooth curve to give more than cumulative frequency curve or the More than Ogive
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