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Question
Here is a graph of "Less than type" and "more than type" give is drawn.
It shows the information about the yearly salary (In lakhs Rs.) of officers in a factory.
Boundary points (Annual Salary)
Both the curves intersect (20.5,15). Find the median of the information.
Here is a graph of "Less than type" and "more than type" give is drawn.
It shows the information about the yearly salary (In lakhs Rs.) of officers in a factory.
Boundary points (Annual Salary)
Both the curves intersect (20.5,15). Find the median of the information.
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Solution
The correct option is B 20.5 lakhs
Draw the perpendiculars from the point of intersection on both X and Y axis.The ogive curves intersect at the point (20.5,15) The perpendicular drawn intersects X-axis at 20.5 and Y-axis at 15.Since, point of intersection of perpendicular and X-axis is the median.Therefore, 20.5 lakhs is the median.Hence, option B is correct.
Draw the perpendiculars from the point of intersection on both X and Y axis.
The ogive curves intersect at the point (20.5,15)
The perpendicular drawn intersects X-axis at 20.5 and Y-axis at 15.
Since, point of intersection of perpendicular and X-axis is the median.
Therefore, 20.5 lakhs is the median.
Hence, option B is correct.
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