To Test Whether a True Difference Exists Between Two Group

question 43

Multiple Choice

To test whether a true difference exists between two group percentages,we test the ________ hypothesis.

• A)z
• B)t
• C)z or t hypothesis;it does not matter
• D)null
• E)alternative

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Definitions:

Axial Hydrogens

Hydrogen atoms positioned along the axis of a molecule, perpendicular to a specified plane, often referring to cyclohexane conformations.

Cyclohexane

A saturated hydrocarbon with the molecular formula \(C_6H_{12}\), consisting of a ring of six carbon atoms, and is often used as a nonpolar solvent in chemistry.

Alkyl Substituents

Alkyl substituents are groups of carbon and hydrogen atoms attached to a molecule, derived from alkanes by removing one hydrogen atom.

Axial

A term used in chemistry to describe positions in a molecule that are parallel to the axis of symmetry, often referring to substituents in cyclic compounds.