What does it mean to calculate

frequencies within a dataset?
(1 point)
to count the number of
times a dataset is used by
a student
to calculate the product of
two variables to make a
third variable
to count the number of
cases that fall into
different subgroups within
a dataset
to calculate the sum of a
column of variables in a
dataset

to count the number of cases that fall into different subgroups within a dataset