Quota Sampling Is Most Commonly Used in

question 20

Multiple Choice

Quota sampling is most commonly used in

• A) descriptive research.
• B) population research.
• C) surveys.
• D) collecting primary data.
• E) exploratory studies.

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Definitions:

MS Peak

A peak observed in a mass spectrum, representing ions of a specific mass-to-charge ratio.

Mass Spectrum

A graph or data set representing the distribution of ions by mass in a sample, used to determine the molecular weight and structure of compounds.

M/Z = 43

Represents the mass-to-charge ratio of 43 in mass spectrometry, indicative of a specific fragment's mass.

Molecular Ion Peak

The peak in a mass spectrum that represents the molecule of the sample as a positively charged ion.