What Is the Variance for the Following Set of Scores

question 4

Multiple Choice

What is the variance for the following set of scores: 20,24,26,22,18,16,18?

• A)12.95
• B)3.60
• C)6.55
• D)24

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Definitions:

Trifluoroacetic Anhydride

A chemical reagent used in organic synthesis to introduce trifluoroacetyl groups into molecules.

IUPAC Name

A method endorsed by the International Union of Pure and Applied Chemistry for systematically naming chemical compounds.

Compound

A compound created through the chemical bonding of two or more elements.

IUPAC Name

The systematic name for a chemical substance as designated by the International Union of Pure and Applied Chemistry, used to ensure consistency and clarity.