In Terms of Estimating the Population Variance,what Is One Disadvantage

question 60

Multiple Choice

In terms of estimating the population variance,what is one disadvantage for dividing SS by df to calculate sample variance?

• A)It is an unbiased estimator.
• B)It does not have minimum variance.
• C)It underestimates the population variance on average.
• D)None;there are no disadvantages for dividing SS by df to calculate sample variance.

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Definitions:

Forcing Functions

In the context of programming and engineering, forcing functions are elements designed to ensure certain actions occur or prevent undesired states, often used in automated systems to override standard operations for testing or emergency purposes.

Field Device

A hardware component located physically in the field or on the plant floor, responsible for collecting data or controlling physical processes.

Initial Start-Up

The process of booting up a machine or system for the first time, ensuring all components are functioning correctly.

Immediate Instructions

Instructions in a programming or control environment that are executed instantly, without waiting for other operations to complete, often used for critical or time-sensitive controls.