The two types of Ogives drawn for a frequency | vedclass

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(A) The median of a frequency distribution can be determined graphically by drawing both the 'less than' type and 'more than' type Ogives.The point of

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$20$

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(A) The median of a frequency distribution can be determined graphically by drawing both the 'less than' type and 'more than' type Ogives.The point of intersection of these two Ogives provides the median value.The $x$-coordinate of this intersection point represents the median of the data,while the $y$-coordinate represents the cumulative frequency corresponding to the median.Given that the intersection point is $(20, 25)$,the $x$-coordinate is $20$.Therefore,the median of the data is $20$.

Class	$65-85$	$85-105$	$105-125$	$125-145$	$145-165$	$165-185$	$185-205$
Frequency	$4$	$5$	$13$	$20$	$14$	$7$	$4$

The two types of Ogives drawn for a frequency distribution intersect at point $(20, 25)$. Then,the median of the data is .......

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In the formula $\bar{x} = \frac{\Sigma f_{i} x_{i}}{\Sigma f_{i}}$,$x_{i}$ represents ..........

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Consider the data:

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Frequency $4$ $5$ $13$ $20$ $14$ $7$ $4$

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