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My Drive-Google D... M gmail Yahoo Mail CatsWeb: Texas St... Chegg: Communic... Hide/Show Time Remaining Part 2 of 2- Chapter 12 - Calculation Question
My Drive-Google D... M gmail Yahoo Mail CatsWeb: Texas St... Chegg: Communic... Hide/Show Time Remaining Part 2 of 2- Chapter 12 - Calculation Question 13 of 15. 2.0 Points A researcher is interested in how hours of sleep students get per night affects the number of classes they skip. Over the course of a month, a group of students record the average number of hours of sleep per night they get and how many total classes they skipped. The average number of hours of sleep per night is 5.5 hours with a standard deviation of 0.8 hrs. The average number of classes skipped is 4 classes with a standard deviation of 2.6 classes. The correlation coefficient for this relationship is -0.40. What is the interpretation of Pearson's r? (0.00 to 0.39 = weak) (0.40 to 0.59 = moderate) (0.60 to 1.00 strong) OA. Moderate, negative correlation. B. Weak, negative correlation. C. 40% of the variation in number of classes skipped is explained by hours of sleep. D. 16% of the variation in number of classes skipped is explained by hours of sleep. Reset Selection Mark for Review What's This?
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