Mr McGrew Is Interested in the Various Types of Butterflies

question 13

Multiple Choice

Mr. McGrew is interested in the various types of butterflies throughout the United States. He is most interested in the differences in flying patterns among butterflies with origins in New England, the gulf states, the midwestern states, and the western states. Mr. McGrew randomly selects butterflies from each area and introduces small temperature changes to their habitat. Mr. McGrew is using a:

• A) case study design.
• B) factorial design.
• C) matched pair design.
• D) multigroup design.

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Definitions:

MTBF

Mean Time Between Failures, a reliability metric that measures the average time between system failures in a process or product.

System Reliability

The probability that a system will perform its intended function without failure under stated conditions for a specified period of time.

Redundant Check

A process or mechanism that is repeated or additional, used to verify accuracy or reliability to ensure errors are minimized.

Reliability Ratings

A measure or score indicating the dependability, quality, or performance consistency of a product, system, or entity.