Question 8 2 pts Julie has found that the number of hours she sleeps each night is related to the scores she receives on

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Question 8 2 Pts Julie Has Found That The Number Of Hours She Sleeps Each Night Is Related To The Scores She Receives On 1 (42.68 KiB) Viewed 294 times

Question 8 2 pts Julie has found that the number of hours she sleeps each night is related to the scores she receives on quizzes the next day. As her sleep approaches 8 hours, her quiz scores improve; as her sleep drops to 5 hours, her quiz scores show a similar decline. Julie realizes that: her low quiz scores are caused by sleep deprivation the night before a quiz. Othere is a negative correlation between the number of hours she sleeps and her quiz grades. Oshe should sleep about 10 hours a night to ensure 100 percent quiz grades. there is a positive correlation between the number of hours she sleeps and her quiz grades. Question 9 2 pts In an experiment on the effects of playing video games on school grades, which group is the control group? A group that is allowed to play video games for as long as they want each day A group that is allowed to play video games for 1 hour each day A group that doesn't play video games at all A group that only plays video games on weekends