If We Are Testing the Significance of the Independent Variable

question 62

Multiple Choice

If we are testing the significance of the independent variable X₁ and we reject the null hypothesis H₀: β₁ = 0, we conclude that

• A) X₁ is significantly related to y.
• B) X₁ is not significantly related to y.
• C) X₁ is an unimportant independent variable.
• D) β₁ is significantly related to the dependent variable y.

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Definitions:

σ Molecular Orbital

A symmetrical molecular orbital formed by the head-on overlap of atomic orbitals, where electron density is concentrated along the axis connecting nuclei.

Uracil

A nitrogen-containing base found in RNA which pairs with adenine during the formation of RNA strands.

Hybridization

The process or model by which atomic orbitals mix and form new hybrid orbitals of equivalent energies, explaining the bonding and shape in molecules.

Nitrogens

Chemical elements with the symbol N and atomic number 7, essential for all living organisms.