What does it mean to calculate frequencies within a dataset?

Question

(1 point)
Responses

to count the number of times a dataset is used by a student
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 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 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

Answer 1

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