The Sum of the Relative Frequencies for All Classes in a Histogram

question 117

Multiple Choice

The sum of the relative frequencies for all classes in a histogram always equals

• A)the number of classes.
• B)the class width.
• C)the total of all the frequencies.
• D)one.

Distinguish between cost centers, profit centers, and investment centers in organizational structures.

Utilize financial ratios and formulas to assess business operations.

Analyze the impact of sales, costs, and invested assets on business profitability and efficiency.

Understand the role of income from operations in financial analysis.

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Definitions:

Permeability

In physics, it's a measure of the ability of a material to support the formation of a magnetic field within itself, symbolized by the Greek letter µ.

Magnetic Lines

Imaginary lines used in models and diagrams to represent the strength and direction of a magnetic field around a magnet or an electric current.

Coil

A component that generates a magnetic field when an electric current passes through it, often used in electrical and electronic devices.

Iron Core

An iron core is a ferromagnetic material used in electrical transformers and inductors to concentrate magnetic flux and improve their efficiency.