Cancer patients with annual household incomes below $50,000 were less likely to participate in clinical trials than patients with annual incomes of $50,000 or higher, and were more likely to be concerned about how to pay for clinical trial participation. This is the conclusion of a large study...
region. The economist needs to? an economist is interested in studying the incomes of consumers in a particular region. The economist needs to know how large a sample should be taken so that 90% confidence interval for their mean income with error of $500 can be constructed. If the standard...
would you recommend that the fed raise short-term interest rates. why or why not? should the fed instead use open-market operations to lower long-term rates?