The Regression Line $\hat{y}$ = 3 + 2x Has Been Fitted to the Data

question 92

Multiple Choice

The regression line $\hat{y}$ = 3 + 2x has been fitted to the data points (4,8) , (2,5) , and (1,2) . The residual sum of squares will be:

• A) 10.
• B) 15.
• C) 13.
• D) 22.

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Definitions:

P(A ∪ B)

The likelihood that either event A or event B, or both, will happen.

P(A ∪ B)

The probability that either event A or event B, or both, occur.

P(A ∩ B)

The probability that both events A and B occur, also known as the probability of the intersection of A and B.

Six-Sided Die

A common type of dice that has six faces, typically numbered from 1 to 6, used in various games and probability experiments.