Question

Complete the following table.

Classes (age)	Tally marks	Frequency (No. of students)
12-13		$\boxed{1234}$
13-14		$\boxed{1234}$
14-15		$\boxed{1234}$
15-16		$\boxed{1234}$
		N=∑f = 35

Answer 1

Classes (age)	Tally marks	Frequency (No. of students)
12-13		$\boxed{5}$
13-14		$\boxed{14}$
14-15	||	$\boxed{12}$
15-16		$\boxed{4}$
		N=∑f = 35