What Is a Bar Chart

question 67

Multiple Choice

What is a bar chart?

• A) A type of graph in which a circle is divided into sectors that each represent a proportion of the whole.
• B) A chart or graph that presents grouped data with rectangular bars with lengths proportional to the values that they represent.
• C) A graphical display of data using bars of different heights. It is similar to a bar chart, but a histogram groups numbers into ranges.
• D) A small embedded line graph that illustrates a single trend.

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Definitions:

Sodium Ions

charged atoms of sodium, essential for various physiological processes including muscle function and fluid balance.

Positive Charge

An electrical condition that occurs when an atom loses electrons, resulting in a surplus of protons, giving it a net positive electric charge.

Glial Cells

Non-neuronal cells in the central nervous system that support, nourish, and protect neurons.

Cerebral Spinal Fluid

Clear, colorless body fluid found in the brain and spinal cord that acts as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.