A Chi-Square Test for Goodness-Of-Fit for Which There Are Four

question 104

Multiple Choice

A chi-square test for goodness-of-fit for which there are four categories and 20 participants would have _____ degrees of freedom.

• A) 57
• B) 19
• C) 16
• D) 3

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Definitions:

NMR

Nuclear Magnetic Resonance, a technique that exploits the magnetic properties of certain atomic nuclei to determine physical and chemical properties of atoms or the molecules in which they are contained.

Quartet

In nuclear magnetic resonance (NMR) spectroscopy, a signal pattern of four peaks that suggests the presence of three equivalent protons adjacent to the observed nucleus.

Singlet

A term used in spectroscopy to describe an energy state of an atom or molecule where all electron spins are paired, resulting in zero net magnetic spin.

NMR

A powerful technique for determining the physical and chemical properties of atoms by studying their magnetic properties related to nuclear spin.