​When a Use Case Controller Receives the Initial Request for an Inquiry

question 67

Multiple Choice

​When a use case controller receives the initial request for an inquiry when the data access layer is added,it first ____.

• A)begins the process to initialize the necessary data access objects in memory
• B)​sends a message to the database to see if it is available
• C)sends a message to the appropriate data access object to retrieve the data
• D)​sends a return message to the view layer

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Definitions:

Sample Means

The arithmetic average of a set of values taken from a larger population, used in statistics to estimate the population mean.

Population Mean

Mean associated with an entire population.

Sampling Distribution

Refers to a statistical distribution that represents all possible values of a statistic for a given size of samples drawn from a population.

Variability

The extent to which data points in a statistical distribution or dataset differ from each other.