You compile a list of all 2-year colleges and a list of all the 4-year colleges. you print each college name on a slip of paper. you put all the college names into a hat and pull out 40 names. then you compile a list of all the registered students at those 40 colleges. you print each of those student names on a slip of paper, put all the slips into a hat and pull out 1000 names. what kind of sampling technique are you using?

This kind of sampling technique is referred to as Simple Random Sample

Explanation:

What Is a Simple Random Sample?

A simple random sample is a representation which is a subset of the original population under which any member can be chosen randomly to be a subset. This aims at providing an unbiased outcome.

For example in this simple random sample that we are given here, 40 random names are chosen from a hat who represents 1000 names of college students in this process anyone stand an equal chance that they can be chosen as one of those 40 random names.

can you explain it better

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.