Theo bạn tại sao trong cạnh tranh dịch vụ Logistics ngày nay không chú trọng vào giảm giá dịch vụ mà chú trọng vào tạo giá trị gia tăng cũng như sự khác biệt so với đối thủ

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 !

answer; ( conflict );

answer; with few regulations protected the prices of crops which made farmers leave their farms and migrate to the big cities to work in factories;