Why might a sociologist study the average weight of people in a country?

The best and most correct answer among the choices provided by the question is the fourth choice. Sociologists study the link between depression and poor nutrition. I hope my answer has come to your help. God bless and have a nice day ahead!

It may lead to a larger problem the country may need to face as a whole

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 !

explanation:

it was dumb and stupid town