Why was Nigeria under a command economic system from 1966-1999? A. The country was under military rule.

B. Most people did not know how to produce goods on their own.

C. The government wanted to control the gold and diamond exports.

D. They were forced by the United Nations to be a command system.

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 !

a) they had recently endured the tyranny of the british king, parliament, and its royal