What Is the Relationship Between the Variance and the Standard

question 83

Multiple Choice

What is the relationship between the variance and the standard deviation?

• A) The standard deviation is the absolute value of the variance.
• B) The variance is the absolute value of the standard deviation.
• C) The variance is the positive square root of the standard deviation.
• D) The standard deviation is the positive square root of the variance.

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Definitions:

FMVSS-121

The Federal Motor Vehicle Safety Standard addressing air brake systems in heavy-duty vehicles to ensure safety through performance requirements.

Service Brake Circuit

The network of components, including lines, valves, and actuators, that allows a vehicle to decelerate or stop by hydraulic or mechanical means.

Charged with Air

Typically refers to pneumatic systems or equipment that has been pressurized with air for operation or use.

Trolley Valve

A valve used in air brake systems on trucks and trailers, allowing the driver to control the trailer brakes independently.