A Least Squares Line

question 67

Multiple Choice

A least squares line:

• A)implies a cause-effect relationship between x and y
• B)may be used to predict a value of y if the corresponding x value is given
• C)can only be determined if a good linear relationship exists between x and y
• D)minimizes the sum of the deviations between the observed value of y and the estimated value of y
• E)all of the above

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Definitions:

Iphigenia

A figure in Greek mythology, daughter of Agamemnon, whose story varies but is often associated with sacrifice for divine favor in war.

Agamemnon

A mythical king of Mycenae who was a central figure in the Trojan War, leading the Greek forces in the epic struggle documented in Homer's Iliad.

Trojan War

A significant conflict in Greek mythology that was fought between the city of Troy and the Greeks, sparked by the abduction of Queen Helen.

Sacrifices

The act of giving something up, destroying, or surrendering something valued for the sake of something considered as having a higher or more pressing claim, often seen in religious contexts but applicable in varied life situations.