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Change the following distribution to a 'More than type' distribution. Hence, draw the 'more than type' ogive for this distribution.
| Class-interval: | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 | 80-90 |
| Frequency: | 10 | 8 | 12 | 24 | 6 | 25 | 15 |
To do:
We have to change the given distribution to a 'More than type' distribution and draw the 'more than type' ogive for this distribution.
Solution:
We first prepare the cumulative frequency distribution table by more than method as given below:
Represent class intervals along X-axis and cumulative frequency along Y-axis.
Plot the points (20, 100), (30, 90), (40, 82), (50, 70), (60, 46), (70, 40) and (80, 15) on the graph and join them with a free hand to get the required ogive.
Updated on: 10-Oct-2022
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