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

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

Daily commission (in Rs.)	100-120	120-140	140-160	160-180	180-200
No. of salesman	20	45	22	9	4

The following distribution gives the daily income of 50 workers of a factory.

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

Convert the distribution above to a less than type cumulative frequency distribution, and draw its ogive.

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