Question

The marks of $30$ student of a class, obtained in a test (out of $75$), are given below:
$4,21,50,37,68,42,37,38,42,49,52,38,53,57,47,29,64,29,63,33,17,17,39,44,42,7,27,19,54,51$

Form a frequency table with equal class intervals.

Answer 1

Class Interval	Number of Students
$0-15$	$2$
$15-30$	$7$
$30-45$	$10$
$45-60$	$8$
$60-75$	$3$

Total number of students in the class $=30$

Therefore, according to the given data, the frequency table is thus obtained.