Example Problem II — task. Mathematics CBSE, Class 10.

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A survey conducted on

$20$ households in a locality by a group of students resulted in the following frequency table for the number of family members in a household:

Family size	$1-3$	$3-5$	$5-7$	$7-9$	$9-11$
Number of families	$7$	$8$	$2$	$2$	$1$

Find the mode of this data.

Answer:

Mode

$=$

[Note: Round off the answer to three decimal places.]

Did you find an error?

2. Example Problem II