When Estimating a Confidence Interval for the Difference Between 2

question 58

Multiple Choice

When estimating a confidence interval for the difference between 2 means using the method where sample variances are pooled, which of the following assumptions is not needed?

• A) The populations are normally distributed.
• B) The populations have equal variances.
• C) The samples are independent.
• D) The sample sizes are equal.

Learn the role and perspective of international organizations like the World Trade Organization, the International Monetary Fund, and the World Bank on global economic policies.

Recognize the significance of state policy and governmental intervention in national economic growth.

Appreciate the effects of globalization, including neoliberal policies, on inequality and economic development.

Comprehend the historical and current impacts of colonization and how past colonial relationships influence present economic conditions.