If the Coefficient of Determination Is 0

question 29

Multiple Choice

If the coefficient of determination is 0.94,what can we say about the relationship between two variables?

• A)The strength of the relationship is 0.94.
• B)The direction of the relationship is positive.
• C)Ninety-four percent of the total variation of the dependent variable is explained by the independent variable.
• D)The direction of the relationship is negative.

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Definitions:

Radial Piston Pump

A type of hydraulic pump where pistons are arranged radially around a central axis, used for high pressure and precise control applications.

Common-Rail

A diesel engine fuel injection system where the fuel is supplied to the injectors from a high-pressure accumulator common for all cylinders.

Counterbalance Valve

A valve that resists flow in one direction while permitting free flow in the other. Often connected to the outlet of a double-acting ram to support weight and prevent sudden, uncontrolled dropping.

Back Pressure

Back pressure is the resistance or force opposing the desired flow of fluids in piping systems, engines, or turbines, often deliberately used to optimize engine efficiency or control fluid movement.