Question

Construct
the following table into cumulative frequency table.

Marks	$100$	$50$	$60$
Students	$4$	$5$	$10$

Answer 1

The cumulative frequency is calculated from a
frequency table, by adding each frequency to the total of the frequencies of
all data values before it in the data set.

Marks	Students	Cumulative curve(cf)
$100$	$4$	$4$
$50$	$5$	$4+5=9$
$60$	$10$	$9+10=19$