Many Statistical Packages Have Three Types of Equation-Building Procedures

question 58

Multiple Choice

Many statistical packages have three types of equation-building procedures.They are

• A)forward,linear,and non-linear.
• B)forward,backward,and stepwise.
• C)simple,complex,and stepwise.
• D)inclusion,exclusion,and linear.

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Definitions:

Singlet

A term used in spectroscopy to describe a system (often an atom or a nucleus) in its lowest energy state, or when a peak appears alone in a spectrum without splitting.

NMR Data

Information obtained from Nuclear Magnetic Resonance spectroscopy, used to determine the structure of molecules.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal that is split into four distinct peaks, indicating the presence of three equivalent protons in the neighboring environment.

Doublet

A pattern in spectroscopy indicating two adjacent peaks, often associated with the spin of a nucleus affecting a neighboring nucleus.