At One School,the Average Amount of Time That $\text { tenth-graders }$

question 16

Multiple Choice

At one school,the average amount of time that $\text { tenth-graders }$ spend watching television each week is $21.6 \text { hours. }$ The principal introduces a campaign to encourage the students to watch less television.One year later,the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased from the previous mean of $21.6 \text { hours. }$

• A)Upper-tailed
• B)Two-sided
• C)Lower-tailed

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Definitions:

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.

Waking Thoughts

The ideas, reflections, and daydreams that occupy one's mind during moments of wakefulness.

Domhoff

A surname, potentially referring to G. William Domhoff, a researcher known for his work in the fields of sociology and psychology, particularly on the theories of power and dreams.