In the Least Squares Regression Line $\hat { y } = 3 - 2 x$

question 90

Multiple Choice

In the least squares regression line $\hat { y } = 3 - 2 x$ ,the predicted value of y equals:

• A) 1.0 when x = -1.0
• B) 2.0 when x = 1.0
• C) 2.0 when x = -1.0
• D) 1.0 when x = 1.0

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Definitions:

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Algae

Algae is a broad and diverse group of photosynthetic, usually aquatic, organisms that range from single-celled forms to large seaweeds.

Edicarian

Pertaining to the Ediacaran Period, a geological era from about 635 to 541 million years ago, notable for the first appearance of large, multicellular life forms.

Multicellular Animals

Multicellular animals are organisms composed of multiple cells that perform specialized functions and are capable of complex behaviors compared to unicellular organisms.