In a market economy, who is responsible for the production of most goods and services?
a) individuals b) universities c) the government d) private business

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.