There Are ______ Degrees of Freedom Associated with a Sample

question 26

Multiple Choice

There are ______ degrees of freedom associated with a sample variance

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

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Definitions:

Average Number

Represents the mean or central value of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Poisson Distribution

A probability distribution that expresses the probability of a given number of events occurring in a fixed interval of time or space.

Negative Exponential Distribution

A probability distribution used to model time between events in a Poisson process, indicating a constant rate of occurrence.

Average Arrival Rate

A metric used to measure the rate at which entities (customers, goods, etc.) arrive at a facility or system over a specified period.