You want to know the average class size at school. so you walk around campus randomly and ask random people how big the last class they were in was. you talk to 1000 people, get 1000 responses, and average them. is this a good estimate of the average class size? why or why not?

How does specialization enable countries to trade with one another? a country can make and sell goods affordably and buy goods that it is inefficient at making. a country can make what it chooses and sell its goods to other countries. a country can decide to buy everything it needs from other countries. a country can efficiently make goods that were once difficult to make.

What is the cause of their extinction

4. what were some of the losses suffered by germany as a result of the treat of versailles?