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 =

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Definitions:

Efficient

Achieving maximum productivity with minimum wasted effort or expense.

Production Possibility Frontier

A graphical representation showing the maximum combination of goods and services that can be produced using all available resources efficiently.

Full Employment

A situation where all available labor resources are being used in the most economically efficient way.

Efficient

Optimal productivity with minimal waste of resources, achieving the best possible outcome with the inputs available.