Which of the Following Symbols Represents the Mean of the Sample

question 135

Multiple Choice

Which of the following symbols represents the mean of the sample?

• A) \(\sigma\)²
• B) \(\sigma\)
• C) \(\mu\)
• D) \(\bar x\)

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Definitions:

Active Transport

The movement of substances across a cell membrane against their concentration gradient, requiring energy in the form of ATP.

Acidic Substances

Compounds that increase the concentration of hydrogen ions (H+) in a solution, typically having a pH less than 7.

Urinary System

The bodily system consisting of the kidneys, ureters, bladder, and urethra, responsible for filtering blood and producing urine.

Alveoli

Tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.