If a Sample Has 45 People in It, the Degrees

question 79

Multiple Choice

If a sample has 45 people in it, the degrees of freedom used in the formula to estimate the population variance would be:

• A)45²
• B)45/2
• C)44
• D) .22

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Definitions:

Filler Rod

A type of welding rod used to fill the gap between two pieces of metal during welding.

Crystallization

A process where a substance forms a crystalline structure from a liquid or a solution, often encountered in chemical and material sciences.

Tempered Frame Rail

A frame rail (part of a vehicle's chassis structure) that has undergone tempering, a heat treating process to increase its toughness.

Yield Strength

The amount of stress at which a material begins to deform permanently, a critical property for determining a material's durability and suitability for certain applications.