When Determining Whether to Include or Exclude a Variable in Regression

question 60

Multiple Choice

When determining whether to include or exclude a variable in regression analysis,if the p-value associated with the variable's t-value is above some accepted significance value,such as 0.05,then the variable:

• A) is a candidate for inclusion
• B) is a candidate for exclusion
• C) is redundant
• D) not fit the guidelines of parsimony

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Definitions:

Stable

Refers to an object, substance, or system that remains unchanged or resists change in conditions or under pressure.

Electrically Charged

A state of having an imbalance in the number of protons and electrons, resulting in a positive or negative electrical charge.

Electrically Neutral

A state in which an object or system has an equal number of positive and negative charges, resulting in no overall net charge.

Electrons

Negatively charged subatomic particles orbiting the nucleus of an atom, involved in chemical reactions and electrical conductivity.