Even When an Unimportant Variable Is Added to a Regression

question 61

True/False

Even when an unimportant variable is added to a regression model, the explained variation will increase.

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Definitions:

Saplings

Young trees that have grown beyond the seedling stage but have not yet reached maturity.

Ferns

A group of non-flowering vascular plants that reproduce via spores and have neither seeds nor flowers, known for their fronds and ancient lineage.

Orchids

A diverse and widespread family of flowering plants with complex, often colorful and fragrant flowers.

Opossums

Marsupials native to the Americas known for their ability to play dead as a defensive mechanism and their omnivorous diet.