Which of the Following Best Describes When We Would Reject

question 45

Multiple Choice

Which of the following best describes when we would reject the null hypothesis when doing an ANOVA analysis?

• A) If the variation of group means is less than expected based on the variation between values within each group.
• B) If the variation of group means is more than expected based on the variation between values within each group.
• C) If the variation of values within each group is less than expected based on the variation between values of the group means.
• D) If the variation of values within each group is more than expected based on the variation between values of the group means.

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Definitions:

Sleep Deprivation

The condition of not having enough sleep, which can lead to various negative health and cognitive effects.

Inverted-U Function

A theory suggesting that performance increases with arousal up to an optimal point, beyond which further increases in arousal can lead to decreased performance.

Arousal

A physiological and psychological state of being awoken or stimulated to action.

Performance

The action or process of carrying out or accomplishing an action, task, or function, often measured against known standards.