In the formula for mode of a grouped data-mode -1- f 1- f 0-2 f 1- f 0- f 2- - hwhere symbols have their usual meaning f 1 representsA- Frequency of median classB- Frequency of Modal classC- Frequency of the class preceding the modal classD- Frequency of the class succeeding the modal class

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Measures of Central Tendency for Grouped Data

In the formul...

Question

In the formula for mode of a grouped data ,

mode $= l + [\frac{f_{1} - f_{0}}{2 f_{1} - f_{0} - f_{2}}] \times h$ ,

where symbols have their usual meaning $f_{1}$ represents

Frequency of Modal class

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Frequency of the class preceding the modal class

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Frequency of the class succeeding the modal class

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Frequency of median class

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Solution

The correct option is A
Frequency of Modal class

In the formula for mode, $f_{1}$ represents the frequency of the modal class.
l = lower limit of the modal class
h= size of the class interval
$f_{0}$ = frequency of the class preceding the modal class
$f_{2}$ = frequency of the class succeeding the modal class.

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In the formula for finding mode of a grouped data,

Mode = $X + (\frac{A - B}{2 A - B - C}) \times h$

$\begin{matrix} i) X & a) f r e q u e n c y o f t h e c l a s s p r e c e d i n g t h e m o d a l c l a s s i i) A & b) L o w e r l i m i t o f t h e m o d a l c l a s s i i i) B & c) frequency of the class succeeding the modal class i v) C & d) f r e q u e n c y o f t h e m o d a l c l a s s \end{matrix}$

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In the formula for mode of a grouped data , mode =l+[f1−f02f1−f0−f2]×h , where symbols have their usual meaning f1 represents

The correct option is A Frequency of Modal class In the formula for mode, f1 represents the frequency of the modal class. l = lower limit of the modal class h= size of the class interval f0= frequency of the class preceding the modal class f2= frequency of the class succeeding the modal class.

In the formula for mode of a grouped data ,

mode $= l + [\frac{f_{1} - f_{0}}{2 f_{1} - f_{0} - f_{2}}] \times h$ ,

where symbols have their usual meaning $f_{1}$ represents