In north american culture categories such as age, ethnicity, race, gender, sexual orientation, physical disabilities and religion are all considered:

The answer is "co-cultures".

A co-culture is a gathering whose qualities, convictions or practices set it apart from the bigger culture, which it is a piece of and with which it shares numerous likenesses. Societies may include numerous subsets, and these co-societies may flourish inside them.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !