Formula for calculating median of grouped data is-l - -n-2 - cf-f- - h

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Standard VII

Mathematics

Median

Formula for c...

Question

Formula for calculating median of grouped data is:
$l + [\frac{\frac{n}{2} - c f}{f}] \times h$

False

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True

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Solution

The correct option is B True

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Similar questions

Q. The median for grouped data is formed by using the formula, Median

= l + (\frac{\frac{n}{2} - c f}{f}) \times h

Q. In the median formula (grouped data), 'cf' represents the cumulative frequency of the class preceding the median class.

Median=?

$(a) l + {h \times \frac{(\frac{N}{2} - c f)}{f}} (b) l + {h \times \frac{(c f - \frac{N}{2})}{f}} (c) l - {h \times \frac{(\frac{N}{2} - c f)}{f}} (d) n o n e o f t h e s e$

Q. Median = ?
(a)

l + \{h \times \frac{(\frac{N}{2} - c f)}{f}\}

(b)

l + \{h \times \frac{(c f - \frac{N}{2})}{f}\}

(c)

l - \{h \times \frac{(\frac{N}{2} - c f)}{f}\}

(d) None of these

The correct formula for finding the median of a grouped data is

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Formula for calculating median of grouped data is: l+[n2−cff]×h

The correct option is B True

Formula for calculating median of grouped data is:
$l + [\frac{\frac{n}{2} - c f}{f}] \times h$