The Sum of Frequencies for All Classes Will Always Equal

question 19

Multiple Choice

The sum of frequencies for all classes will always equal

• A) 1.
• B) the number of elements in a data set.
• C) the number of classes.
• D) a value between 0 and 1.

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Having a sharply uneven surface or outline.

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A break in the skin or mucous membrane exposing internal tissue to the external environment.

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Preservative

A substance added to products such as foods, pharmaceuticals, and cosmetics to prevent spoilage or degradation by microbial growth or undesirable chemical changes.