Find the mode of the following data- - Classinterval 100-120 120-140 140-160 160-180 180-200- Frequency 10 13 8 7 12- -

Modal Class is 60 80 Mode=I+(f_1 f_0/2f_1 f_0 f_2)×h =120+13 10/26 10 8×20=127.5 ...

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Finding mode for Grouped Data when class intervals are givenÂ

Find the mode...

Question

Find the mode of the following data.
$\begin{matrix} C l a s s i n t e r v a l & 100 - 120 & 120 - 140 & 140 - 160 & 160 - 180 & 180 - 200 F r e q u e n c y & 10 & 13 & 8 & 7 & 12 \end{matrix}$

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Find the mean, using assumed-mean method:

$\begin{matrix} Class & 100 - 120 & 120 - 140 & 140 - 160 & 160 - 180 & 180 - 200 Frequency & 10 & 20 & 30 & 15 & 5 \end{matrix}$

Daily income (in Rs)	100-120	120-140	140-160	160-180	180-200
Number of workers	12	14	8	6	10

Daily wages (₹)	60−80	80−100	100−120	120−140	140−160	160−180	180−200
No. of Workers	3	5	10	15	7	4	2

Daily income (in Rs)	100-120	120-140	140-160	160-180	180-200
Number of workers	12	14	8	6	10

Class-interval	20−40	40−60	60−80	80−100	100−120	120−140	140−160
Frequency	3	7	11	15	13	6	2

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