Forward Regression

question 17

Multiple Choice

Forward regression

• A)begins with all potential explanatory variables in the equation and deletes them one at a time until further deletion would do more harm than good.
• B)adds and deletes variables until an optimal equation is achieved.
• C)begins with no explanatory variables in the equation and successively adds one at a time until no remaining variables make a significant contribution.
• D)randomly selects the optimal number of explanatory variables to be used.

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Definitions:

Particle Size

A characteristic measuring the dimensions of particles in a material or substance, impacting properties like flow, reactivity, and dispersion.

Clay

A natural, Earthy material composed of fine-grained minerals, often used in making pottery, bricks, and sculptures.

Sand

Fine, granular material, composed mainly of rock and mineral particles, prevalent in deserts, beaches, and riverbeds, used in construction and manufacturing.

Silt

Fine particles of rock and soil carried by water, often settling at the bottom of bodies of water.