Exercise Problem III — task. Mathematics CBSE, Class 10.

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The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is

$Rs. 18$ . Find the missing frequency

$f$ .

Daily pocket allowance (in ₹)	$11-13$	$13-15$	$15-17$	$17-19$	$19-21$	$21-23$	$23-25$
Number of children	$7$	$6$	$9$	$13$	$f$	$5$	$4$

Missing frequence

$f$

$=$

Did you find an error?

9. Exercise Problem III