In a Study with Four Groups and 10 Participants in Each

question 58

Multiple Choice

In a study with four groups and 10 participants in each group,the sum of squares for the between-groups source of variation is 60.What is the value for the mean square between groups in this study?

• A) 10
• B) 15
• C) 20
• D) 1.67

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Definitions:

Two Processors

A system configuration that involves two central processing units (CPUs) working together, often to increase performance or provide redundancy.

Actuator

A device used to convert a control signal into mechanical motion.

Discrete Output

Pertains to an output signal in automation systems that has only two states, commonly referred to as On or Off.

PLC

Programmable Logic Controller, an industrial digital computer which has been ruggedized and adapted for the control of manufacturing processes.