Refer to the Following Breakdown of Responses to a Survey

question 62

Multiple Choice

Refer to the following breakdown of responses to a survey of "Are you concerned about being tracked while connected to the Internet?" What is the class interval for the preceding frequency table?

• A)10
• B)20
• C)40
• D)None Apply

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Definitions:

Brushless Exciter

A device used to excite the rotor of an alternator or synchronous motor that does not use brushes or sliprings.

Primary Exciter

A device, often a small generator, used to supply the initial current to the field winding of an alternator or to a magnetic coil to start the generation of electricity.

Electric Starter

A device that rotates an internal-combustion engine to initiate the engine's operation under its own power.

Output Frequency

The frequency of the signal generated by an electrical or electronic device, indicating how often it repeats per unit time.