Which sampling technique is usually the most important to the systems analyst?
A) random sampling
B) systematic sampling
C) stratified sampling
D) cluster sampling
C) stratified sampling
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Case-based Critical Thinking QuestionsCase 14-1Betty Trooper owns and operates a realty company. She has provided you with properties.xml, which is a file that contains a list of properties enrolled in the multiple listing database. She has created three different versions of a schema for the properties vocabulary and needs help in choosing the most appropriate schema design for her needs. If Betty uses Flat Catalog design, the following is true:
A. all element and attribute definitions have global scope. B. has only one global element with everything else nested C. all element and attribute definitions have local scope. D. has only one local element with everything else nested
____ units define a font size using one of five standard units of measurement.
A. Relative B. Absolute C. Standard D. Uppercase
A(n) ______ is a request for specific data from the database.
Fill in the blank(s) with the appropriate word(s).
A(n) _____________________ is a completed document or program module that can either serve as the beginning point for a later task or become an element in the finished project.
Fill in the blank(s) with the appropriate word(s).