Identify the modal class $:$
X
$10 - 20$
$20 - 30$
$30 - 40$
$40 - 50$
$50 - 60$
F
$5$
$4$
$3$
$2$
$1$

10 - 20

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20 - 30

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30 - 40

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40 - 50

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Solution

The correct option is A $10 - 20$
Modal class is the class which has the highest frequency.

The highest frequency is $5$ which is associated with the class $10 - 20$
Therefore, the modal class is $10 - 20$

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Farm	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$
Animals	$12$	$14$	$21$	$34$	$15$

Class	0-10	10-20	20-30	30-40	40-50	50-60
Frequency	3	9	15	30	18	5

:

X	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$
F	$20$	$10$	$10$	$10$	$40$	$30$

80, 10, 30, 70, 60, 50, 50, 40, 40, 20, 40, 90, 50, 30, 70, 10, 60, 50, 20, 70, 70, 30, 80, 40, 20, 80, 90,

50, 80, 60, 70, 40, 50, 60, 90, 60, 40, 40, 60

60

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