I the Coefficient of Determination Can Only Be Positive

question 142

Multiple Choice

i. The coefficient of determination can only be positive.
ii. If the coefficient of correlation is 0.68, the coefficient of determination is 0.4624.
iii. The standard error of estimate measures the accuracy of our prediction.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Electrons

Fundamental particles that contribute to the electrical properties of atoms, possessing a negative charge and existing in the electron cloud.

Excited State

A condition of an atom, molecule, or nucleus in which it possesses more energy than its ground state.

Electron

A subatomic particle with a negative charge, found in all atoms and acting as the primary carrier of electricity in solids.

Photon

A quantum of electromagnetic radiation that embodies the concept of light as both a particle and a wave.