System of government which guarantees each state representation at the national level.

What was the midwest states often called because they were located in the center of the nation

Calculate the iq of a 20 year old who has the mental age of 25

Which is relatively better: a score of 76 on a psychology test or a score of 22 on an economics test? scores on the psychology test have a mean of 90 and a standard deviation of 13. scores on the economics test have a mean of 52 and a standard deviation of 10.