If Sample Variance Is Computed by Dividing SS by Df

question 18

Multiple Choice

If sample variance is computed by dividing SS by df = n - 1,then the average value of the sample variances from all the possible random samples will be ____ the population variance.​

• A)​smaller than
• B)​larger than
• C)​exactly equal to
• D)​unrelated to

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Definitions:

Average Time

The mean time taken to complete a task or process, calculated by summing all the recorded times and dividing by the number of observations.

Arrival Rate

The frequency at which entities (e.g., customers, data packets) arrive at a specific point within a system or process.

Poisson Distribution

A distribution of probabilities indicating the likelihood of a certain number of occurrences within a specified time or space interval.

Exponential Distribution

A probability distribution used to model the time between events in a process where events occur continuously and independently at a constant average rate.