In the Backward Chaining Technique, Used by the Inference Engine

question 54

Multiple Choice

In the backward chaining technique, used by the inference engine component of an expert system, the expert system starts with the goal, which is the _____ part, and backtracks to find the right solution.

• A)if
• B)then
• C)else
• D)what-is

---

Definitions:

Standard Deviation

A statistical measure that quantifies the dispersion or variability of a data set around its mean, indicating how spread out the data points are.

Mean Weight

Mean weight refers to the average weight calculated by dividing the sum of all weights in a set by the number of weights.

Net Income

The total earnings or profit of a company after subtracting all expenses, taxes, and costs.

Random Variable

A numerical outcome-based variable originating from a random phenomenon.