The Regression R² Is Defined as Follows:
A) $\frac { E S S } { T S S }$

question 33

Multiple Choice

The regression R² is defined as follows:

• A) \(\frac { E S S } { T S S }\)
• B) \(\frac { R S S } { T S S }\)
• C) \(\frac { \sum _ { i = 1 } ^ { n } \left( Y _ {i } - \bar { Y } \right) \left( X _ {i } - \bar { X } \right) } { \sqrt { \sum _ { i = 1 } ^ { n } \left( Y _ { i } - \bar { Y } \right) ^ { 2 } \sqrt { \sum _ { i = 1 } ^ { n } \left( X _ { i} - \bar { X } \right) ^ { 2 } } } }\)
• D) \(\frac { S S R } { n - 2 }\)

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