The Variance of a Sample Was Reported to Be 144

question 170

Multiple Choice

The variance of a sample was reported to be 144. The report indicated that = 7200. What has been the sample size?

• A)49
• B)50
• C)51
• D)52

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Definitions:

Molecular Bromine

A diatomic molecule, Br2, consisting of two bromine atoms, widely used in synthesis and in various industrial applications.

Lewis Acid

A chemical species that accepts an electron pair from a Lewis base to form a Lewis adduct, often involved in catalysis and various chemical reactions.

Base

Substances that accept protons according to the Brønsted-Lowry definition or donate electrons according to the Lewis definition, often part of chemical reactions as reactants.

IR Spectroscopy

A technique used to identify molecular vibrations by measuring the absorption of infrared radiation, useful in determining molecular structure.