What Are the Four Main Guidelines That Must Be Observed

question 13

Essay

What are the four main guidelines that must be observed when integrating prototyping into the requirements determination phase of the SDLC?

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Definitions:

Actual Value

The true, factual, or real value of a measurement, differing from an estimated or theoretical value.

Forecast Value

The estimated or predicted value of a variable or set of variables at some point in the future.

Mean Square Error

A measure of the average of the squares of the errors—that is, the average squared difference between the estimated values and the actual value.

Sales Details

Specific information regarding the transactions, quantities, prices, and conditions under which sales activities occur.