The Standard deviation of a sample of 100 observations equals 64. The Variance of the sample equals

What is an example of a good stock to buy during economic expansion? a) cyclical stock b) defensive stock c) income stock d) bond

An economic theory that calls for workers to take control of factories is .

Which of the following is one of the five fundamental questions? which products will be in scarce supply and which in excess supply? who should appoint the head of the central bank? how much should society save? correct what goods and services will be produced?