If X and Y in a Regression Model Are Totally

question 89

Multiple Choice

If x and y in a regression model are totally unrelated, _______.

• A)the correlation coefficient would be -1
• B)the coefficient of determination would be 0
• C)the coefficient of determination would be 1
• D)the SSE would be 0
• E)the MSE would be 0s

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Definitions:

Later-born Children

Later-born children are those born after the first child in a family, who may experience different parenting styles and family dynamics than their older siblings.

First-born Children

Often referred to as the eldest child in a family, who may experience different parental expectations and develop unique psychological traits compared to their siblings.

Stringent Rules

Strict and precise regulations or guidelines that must be carefully followed or adhered to.

Play

A voluntary, enjoyable, and intrinsically motivated activity that is non-serious but may involve social roles and creativity, typical in children and recreational in adults.