What Formula Is Used to Calculate the Degrees of Freedom

question 122

Multiple Choice

What formula is used to calculate the degrees of freedom for the t test for comparing two population means when the population variances are unknown and unequal?

• A) df = n - 1
• B) df = n₁ + n₂ - 2
• C) df = n₁ + n₂ - 1
• D) df =

---

Definitions:

Civic Reformers

Individuals or groups dedicated to improving urban governance and public policy through measures aimed at increasing transparency, accountability, and efficiency in governmental operations.

Sanitation

The management of waste and provision of clean drinking water to prevent disease and maintain a healthy living environment.

Housing

Structures and accommodations where people live, such as houses, apartments, and other residential buildings, considered in terms of quality, affordability, and availability.

American Society

The social structure, practices, and cultural norms of the people living in the United States.