Which of the Following Most Closely Represents an Unrestricted Random

question 16

Multiple Choice

Which of the following most closely represents an unrestricted random selection procedure?

• A)Identifying a starting point within the population and bypassing a fixed number of items.
• B)Matching items in the population to a series of randomly-selected numbers.
• C)Randomly selecting invoices to customers whose last names start with "W".
• D)Randomly picking items from an accounts receivable file.

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Definitions:

Statistically Significant

A determination that results in observed data are not likely to be due to chance alone, according to predetermined thresholds in statistical analysis.

Experimental

Relating to a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Control Group

In experimental research, a group of subjects that does not receive the treatment being tested and is used as a benchmark to measure how the other tested groups do.

Correlation Coefficient

A statistical measure that indicates the extent to which two variables fluctuate together, ranging from -1 (a perfect negative correlation) to +1 (a perfect positive correlation).