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In: Statistics and Probability

In a study conducted to determine the role that sleep disorders play in academic performance, researcher...

In a study conducted to determine the role that sleep disorders play in academic performance, researcher Jane Gaultney conducted a survey of 1845 college students to determine if they had a sleep disorder (such as narcolepsy, insomnia, or restless leg syndrome). Of the 503 students with a sleep disorder, the mean grade point average was 2.65 with a standard deviation of 0.87. Of the 1342 students without a sleep disorder, the mean grade point average was 2.82 with a standard deviation of 0.83. Is there evidence to suggest sleep disorders adversely affect one’s GPA at the a = 0.05 level of significance?

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