For the following table identify the modal class:
Length
$6 - 12$
$12 - 18$
$18 - 24$
$24 - 30$
$30 - 36$
$36 - 42$
$42 - 48$
Frequency
$100$
$234$
$450$
$342$
$540$
$289$
$265$

12 - 18

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24 - 30

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30 - 36

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42 - 48

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Solution

The correct option is B $30 - 36$
We know that, a modal class is the class which has the highest frequency.

The highest frequency in the given table is $540$ , which is associated with the class $30 - 36$

Hence, the modal class is $30 - 36$ .

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Similar questions

Age (in years)	18-24	24-30	30-36	36-42	42-48	48-54
Number of workers	6	8	12	8	4	2

Class	:	0-6	6-12	12-18	18-24	24-30	30-36
Frequency	:	4	8	15	20	12	6

Values	:	6	12	18	24	30	36	42
Frequency	:	4	7	9	18	15	10	5

Number of days	0 − 6	6 − 12	12 − 18	18 − 24	24 − 30	30 – 36	36 – 42
Number of students	10	11	7	4	4	3	1

What will be the next number in the following sequence?

6, 12, 18, 24, 30, 36, __

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Length	$6 - 12$	$12 - 18$	$18 - 24$	$24 - 30$	$30 - 36$	$36 - 42$	$42 - 48$
Frequency	$100$	$234$	$450$	$342$	$540$	$289$	$265$