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Sum
The following table gives production yield in kg per hectare of wheat of 100 farms of a village :
Production yield (kg/hectare) : |
40−45 | 45−50 | 50−55 | 55−60 | 60−65 | 65−70 |
Number of farms | 4 | 6 | 16 | 20 | 30 | 24 |
Change the distribution to a 'more than type' distribution, and draw its ogive.
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Solution
Production yield | Cumulative frequency |
more than 40 | 100 |
more than 45 | 96 |
more than 50 | 90 |
more than 55 | 74 |
more than 60 | 54 |
more than 65 | 24 |
Concept: Graphs of Linear Equations
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