Suppose We Select Every Fifth Invoice in a File

question 24

Multiple Choice

Suppose we select every fifth invoice in a file. What type of sampling is this?

• A) Simple random
• B) Stratified random
• C) Cluster
• D) Systematic
• E) None of the choices are correct

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Definitions:

Geologic Timescale

A system of chronological dating that relates geological strata to time, used by geologists and paleontologists to describe the timing and relationships of events in Earth's history.

Mesozoic Era

A geologic era that occurred about 252 to 66 million years ago, characterized by the dominance of dinosaurs and the appearance of flowering plants.

Mass Extinctions

Events in Earth's history when significant numbers of species disappear rapidly and irreversibly, often due to drastic environmental changes.

Varves

Thin, alternating light-colored and dark layers of sediment that form in lakes because of seasonal variations of deposition and biologic activity.