The Use of the XML Schema Expression MinOccurs="0" ________

question 128

Multiple Choice

The use of the XML Schema expression minOccurs="0" ________.

• A)is an XML Schema default
• B)is required as there are no defaults in an XML Schema
• C)is similar to the SQL schema NULL constraint
• D)A and C
• E)B and C

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Definitions:

Sampling Distribution

A statistical probability distribution derived from a high volume of samples taken from a particular population.

Unbiased Estimator

A statistical estimator that, on average, equals the parameter being estimated.

Population Parameter

A population parameter is a numerical value that characterizes a certain aspect of a population, such as its mean or variance.

Expected Value

The long-term average value of a random variable, representing its mean outcome over an infinite number of trials.