Find the mean of $52$ students of class $\mathrm{X}$ in a school by using the direct method and assumed mean method from the table given below:

Class	$4$	$7$	$10$	$15$	$8$	$5$	$3$
Frequency	$30$	$33$	$35$	$40$	$43$	$45$	$48$

The mode of $1, 3, 2, 8, 10, 8, 3, 2, 8, 8$ is

Find the mean of marks obtained by the girl students if their cumulative frequencies are as follows:

Find the median of data from the following frequency distribution table:

Find the mode of data from the following frequency distribution table.