Two Technicians Are Discussing the Purpose of OBD-II Compliant Systems

question 18

Multiple Choice

Two technicians are discussing the purpose of OBD-II compliant systems for automotive diesel engines. Technician A says that an OBD-II compliant system is designed to identify or self-diagnose emission-related faults and report fault codes. Technician B says the OBD-II rules are set up to enable drivers to have emissions problems repaired quickly and easily. Who is correct?

• A)Technician A"
• B)Technician B"
• C)Both A and B
• D)Neither A nor B"

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Definitions:

Cumulative Frequency

The sum of frequencies accumulated up to a certain point in a data set.

Total Number

The aggregate or sum count of items or entities in a set or dataset.

Data Set

A collection of data, often presented in tabular form, consisting of variables and observed or measured values.

Class Width

The difference between the upper and lower boundaries of any class (or category) in a frequency distribution.