Question

find median from the point in intersection of cumulative frequency curves (less than and more than cumulative frequency curves)?​

Answer 1

Value of x at intersection of cumulative frequency curves (less than and more than cumulative frequency curves gives Median

Step-by-step explanation:

The less than ogive curve gives cumulative frequency (probability) for x ≤ a.

The more than ogive curve gives cumulative frequency (probability) for x ≥ a.

cumulative frequency will be 50% of the total at intersection of the more than ogive and less than ogive  which is Median

As we know that Median is middle data when data is arranged ascending/descending

so  cumulative frequency will be 50%  at Median

as intersection point = (x , y)

x - axis  show the Median Values

y - axis shows cumulative frequency

Hence value of x at intersection point is the Median

y  Show 50% cumulative frequency  

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