The null hypothesis is represented by the symbol H0

Which of the following is a major reason for government regulation of the economy?

a. to increase the overall level of taxes paid by producers in the economy b. to increase the general level of educational attainment c. to eliminate the costs of doing business for corporations d. to promote economic development

Which of the following observations would falsify the main hypothesis of this article?

A. Islamic countries have a higher level of democracy. B. Islamic countries have a lower level of democracy. C. Wealthy countries have a lower level of democracy. D. Oil reliant states have a higher level of democracy.