The modal class for the following distribution is

10 - 20

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20 - 30

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30 - 40

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50 - 60

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Solution

The correct option is C
30 - 40

The given table is the cumulative frequency table. The frequency table can be obtained by subtracting the cumulative frequency of the preceding class from the cumulative frequency of a class.

The grouping table and the analysis table for the given distribution is shown below.

From the analysis table, the class 40-50 has the maximum score. Hence, 40 - 50 is the modal class.

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Similar questions

Identify the modal class:

:

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

Marks Obtained	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$
Cumulative Frequency	$7$	$35$	$27$	$34$

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